Techcool Industry Development BH1521TC bluetooth headset User Manual

Techcool Industry Development Co., Ltd. bluetooth headset

User manual

Note:Please read the followinginformation before using Electronic equipmentsTo avoid the side effects of electronic inter ference,turn off the headphone in the place where there is clear mark s to ban the using of electronic products. Civil aviationTurn off the headphone af ter boarding the plane and prohibit using the headphone during the flight to avoid the inter ference to civil aviation communication system. Medical instrumentsDo not use the headphone in hospital or near the medical instruments without permission. If you use other personal medical equipment, such as ,the pacemaker, please consult your equipment manufacturer or gain the relative information from your medical doctor . Maintenance User should not change any components of headphone and will lose the after-sale rights if changes or re-equips the headphone without permission .BH1521 instruction manualSports Bluetooth Headphone
Note:Please read the followinginformation before using Electronic equipmentsTo avoid the side effects of electronic inter ference,turn off the headphone in the place where there is clear mark s to ban the using of electronic products. Civil aviationTurn off the headphone af ter boarding the plane and prohibit using the headphone during the flight to avoid the inter ference to civil aviation communication system. Medical instrumentsDo not use the headphone in hospital or near the medical instruments without permission. If you use other personal medical equipment, such as ,the pacemaker, please consult your equipment manufacturer or gain the relative information from your medical doctor . Maintenance User should not change any components of headphone and will lose the after-sale rights if changes or re-equips the headphone without permission .Safety Information1 1. Manual 2. Wireless Bluetooth headphone 3. Micro USB charging cableBefore using the products,please read the following instructions carefully and preserve for recording.
Note:Please read the followinginformation before using Electronic equipmentsTo avoid the side effects of electronic inter ference,turn off the headphone in the place where there is clear mark s to ban the using of electronic products. Civil aviationTurn off the headphone af ter boarding the plane and prohibit using the headphone during the flight to avoid the inter ference to civil aviation communication system. Medical instrumentsDo not use the headphone in hospital or near the medical instruments without permission. If you use other personal medical equipment, such as ,the pacemaker, please consult your equipment manufacturer or gain the relative information from your medical doctor . Maintenance User should not change any components of headphone and will lose the after-sale rights if changes or re-equips the headphone without permission .2Packaging 1. Manual 2. Wireless Bluetooth headphone 3. Micro USB charging cableBefore using the products,please read the following instructions carefully and preserve for recording.
1233Fitting Instruction 1. Manual 2. Wireless Bluetooth headphone 3. Micro USB charging cableBefore using the products,please read the following instructions carefully and preserve for recording.
Power on: Under the condition of power off, long press the multifunctional button for 2 seconds,the blue light will flash for half a second with voice prompt of “power on”,then the blue indicator light will flash.Power off: Under the condition of power on,long press the multifunctional button for 3 seconds,the blue light will shine for half a second with voice prompt of “power off”,then the red indicator light will shine for a second and off which means powered off.Paring: Under the condition of power off,long the press the multifunctional for 3 seconds until the blue and red LED lights flashing with the voice prompt of “pairing”,turn on the Bluetooth function on the phone and search new devices,then paring the “BH1521” on the list,the blue and red lights will stop crossing flashing,only flashing with blue light after successful paring.※If stop pressing before cross flashing of blue and red light,it will enter into the status of power on,it needs to turn off the headsets to re-operation.Answer phone calls: when phone calls coming,shortly press the multifunctional button and will go with the beep prompt sound.Reject phone calls: when phone calls coming,long press the multifunctional button for 2 seconds and will go with the beep prompt sound.End calls: when on the phone,shortly press the multifunctional button and will go with the beep prompt sound.Adjust the volume when on the phone: every press on the volume up or the volume down will increase or decrease the volume and it will have the prompt sound when the volume up the maximum or minimum.Redial phone calls: when standby or playing music,double press the multifunctional button,the headsets will control the phone automatically to dials out the phone number you dialed last and it will go with the beep prompt sound. Compatible to two phones:The process is list below:a.After successful connecting with first phone,turn off the Bluetooth of 45Key Button function Specification: Specification:Speaker Diameter: Φ13mm impedance: 32Ωsensibility:-42±3dB Frequency Response: 20Hz-20000HzMicro Phone:Microphone Unit: Φ4*1.5mm Sensitivity: -42 ± 3dBImpedance:≤2.2K Frequency Response:30-16000HZBluetooth Mode:Bluetooth Version: CSR 4.0 Receiver range:10MCarrier frequency: 2402MHz - 2480MHz SNR: -90dBmtransmitted power: classII I(-6dBm~+4dBm) Pairing name: BH1521 1. Power Key 2. volume up button3 volume down button 4. Micro USB charging port134 2the first phone.b.After shutting down the headsets,reboot the headsets until the blue and red LED lights cross flashing(long press the multifunctional button for 5 seconds),enter into the status of paring again.c.Turn on the Bluetooth of the second phone and search the new device,connect the headsets follow the usual operation.d.Turn on the Bluetooth of the first phone,starting to connect with the headset again.e.Then two phones are successfully connect with the headsets.(tips:when connecting with two phones at the same time,it does not mean that you can listen to the music from those two phones,it just mean that those two phone playing music at the same time,one phone will paused or the Bluetooth is turn off,the headsets will connect with the other phone automatically.) Operation(playing musicPlaying music: operate on the phone or media player(some phones would start the music player automatically when connecting with Bluetooth stereo devices)Pause music: When playing music,Click the multifunctional button,the music will stop.Play music: (when paused the mucis)click the multifunctional button again.Volume up: Every press on the “volume up button”will increase the volume,it will have prompt sound when up to the max.Volume down:Every press on the “volume down button”will decrease the volume,it will have prompt sound when down to the min.Previous song:long press the volume up buttonNext song:long press the volume down buttonAnswer phone calls when playing music: shortly press the multifunctional button(the mucis will keep pausing)End phone calls after answering when playing music:shortly press the multifunctional button(the music will continue playing)Dial numbers when playing music: double clicking on the multifunctional button will dial the last calls before automatically(the music will keep pausing)The LED displays and relative prompt sound under kinds of condition:●Power on: The blue light will shine for one second●Power off: The red light will shine for 1 second●Pairing: The blue light and red light will shine alternately●Standby(no connecting with the Bluetooth): The blue light will shine every 2 seconds●Standby(connecting with Bluetooth): The blue light will shine twice every 3 seconds●When incoming calls:The blue light flash quickly ●When dialing: The blue light flash quickly●When on the phone: The blue light will shine twice every 3 seconds●When playing music: The blue light will shine twice every 3 seconds●When charging: The red light keep shining●Charging finished:The blue light keep shining●When in low batter: The red light will shine every 60 seconds and with the beep prompt sound.Remarks:The headsets will power off without connecting with any phone in 8 minutes.Pairing period: 3 minutes. It will exist the pairing mode without connecting with any phone in 3 minutes.Iphone battery display.FCC Warning StatementChanges or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna.--Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.--Consult the dealer or an experienced radio/TV technician for help.This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Power on: Under the condition of power off, long press the multifunctional button for 2 seconds,the blue light will flash for half a second with voice prompt of “power on”,then the blue indicator light will flash.Power off: Under the condition of power on,long press the multifunctional button for 3 seconds,the blue light will shine for half a second with voice prompt of “power off”,then the red indicator light will shine for a second and off which means powered off.Paring: Under the condition of power off,long the press the multifunctional for 3 seconds until the blue and red LED lights flashing with the voice prompt of “pairing”,turn on the Bluetooth function on the phone and search new devices,then paring the “BH1521” on the list,the blue and red lights will stop crossing flashing,only flashing with blue light after successful paring.※If stop pressing before cross flashing of blue and red light,it will enter into the status of power on,it needs to turn off the headsets to re-operation.Answer phone calls: when phone calls coming,shortly press the multifunctional button and will go with the beep prompt sound.Reject phone calls: when phone calls coming,long press the multifunctional button for 2 seconds and will go with the beep prompt sound.End calls: when on the phone,shortly press the multifunctional button and will go with the beep prompt sound.Adjust the volume when on the phone: every press on the volume up or the volume down will increase or decrease the volume and it will have the prompt sound when the volume up the maximum or minimum.Redial phone calls: when standby or playing music,double press the multifunctional button,the headsets will control the phone automatically to dials out the phone number you dialed last and it will go with the beep prompt sound. Compatible to two phones:The process is list below:a.After successful connecting with first phone,turn off the Bluetooth of 6Functionthe first phone.b.After shutting down the headsets,reboot the headsets until the blue and red LED lights cross flashing(long press the multifunctional button for 5 seconds),enter into the status of paring again.c.Turn on the Bluetooth of the second phone and search the new device,connect the headsets follow the usual operation.d.Turn on the Bluetooth of the first phone,starting to connect with the headset again.e.Then two phones are successfully connect with the headsets.(tips:when connecting with two phones at the same time,it does not mean that you can listen to the music from those two phones,it just mean that those two phone playing music at the same time,one phone will paused or the Bluetooth is turn off,the headsets will connect with the other phone automatically.) Operation(playing musicPlaying music: operate on the phone or media player(some phones would start the music player automatically when connecting with Bluetooth stereo devices)Pause music: When playing music,Click the multifunctional button,the music will stop.Play music: (when paused the mucis)click the multifunctional button again.Volume up: Every press on the “volume up button”will increase the volume,it will have prompt sound when up to the max.Volume down:Every press on the “volume down button”will decrease the volume,it will have prompt sound when down to the min.Previous song:long press the volume up buttonNext song:long press the volume down buttonAnswer phone calls when playing music: shortly press the multifunctional button(the mucis will keep pausing)End phone calls after answering when playing music:shortly press the multifunctional button(the music will continue playing)Dial numbers when playing music: double clicking on the multifunctional button will dial the last calls before automatically(the music will keep pausing)The LED displays and relative prompt sound under kinds of condition:●Power on: The blue light will shine for one second●Power off: The red light will shine for 1 second●Pairing: The blue light and red light will shine alternately●Standby(no connecting with the Bluetooth): The blue light will shine every 2 seconds●Standby(connecting with Bluetooth): The blue light will shine twice every 3 seconds●When incoming calls:The blue light flash quickly ●When dialing: The blue light flash quickly●When on the phone: The blue light will shine twice every 3 seconds●When playing music: The blue light will shine twice every 3 seconds●When charging: The red light keep shining●Charging finished:The blue light keep shining●When in low batter: The red light will shine every 60 seconds and with the beep prompt sound.Remarks:The headsets will power off without connecting with any phone in 8 minutes.Pairing period: 3 minutes. It will exist the pairing mode without connecting with any phone in 3 minutes.Iphone battery display.FCC Warning StatementChanges or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna.--Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.--Consult the dealer or an experienced radio/TV technician for help.This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Power on: Under the condition of power off, long press the multifunctional button for 2 seconds,the blue light will flash for half a second with voice prompt of “power on”,then the blue indicator light will flash.Power off: Under the condition of power on,long press the multifunctional button for 3 seconds,the blue light will shine for half a second with voice prompt of “power off”,then the red indicator light will shine for a second and off which means powered off.Paring: Under the condition of power off,long the press the multifunctional for 3 seconds until the blue and red LED lights flashing with the voice prompt of “pairing”,turn on the Bluetooth function on the phone and search new devices,then paring the “BH1521” on the list,the blue and red lights will stop crossing flashing,only flashing with blue light after successful paring.※If stop pressing before cross flashing of blue and red light,it will enter into the status of power on,it needs to turn off the headsets to re-operation.Answer phone calls: when phone calls coming,shortly press the multifunctional button and will go with the beep prompt sound.Reject phone calls: when phone calls coming,long press the multifunctional button for 2 seconds and will go with the beep prompt sound.End calls: when on the phone,shortly press the multifunctional button and will go with the beep prompt sound.Adjust the volume when on the phone: every press on the volume up or the volume down will increase or decrease the volume and it will have the prompt sound when the volume up the maximum or minimum.Redial phone calls: when standby or playing music,double press the multifunctional button,the headsets will control the phone automatically to dials out the phone number you dialed last and it will go with the beep prompt sound. Compatible to two phones:The process is list below:a.After successful connecting with first phone,turn off the Bluetooth of the first phone.b.After shutting down the headsets,reboot the headsets until the blue and red LED lights cross flashing(long press the multifunctional button for 5 seconds),enter into the status of paring again.c.Turn on the Bluetooth of the second phone and search the new device,connect the headsets follow the usual operation.d.Turn on the Bluetooth of the first phone,starting to connect with the headset again.e.Then two phones are successfully connect with the headsets.(tips:when connecting with two phones at the same time,it does not mean that you can listen to the music from those two phones,it just mean that those two phone playing music at the same time,one phone will paused or the Bluetooth is turn off,the headsets will connect with the other phone automatically.) Operation(playing musicPlaying music: operate on the phone or media player(some phones would start the music player automatically when connecting with Bluetooth stereo devices)Pause music: When playing music,Click the multifunctional button,the music will stop.Play music: (when paused the mucis)click the multifunctional button again.Volume up: Every press on the “volume up button”will increase the volume,it will have prompt sound when up to the max.Volume down:Every press on the “volume down button”will decrease the volume,it will have prompt sound when down to the min.Previous song:long press the volume up buttonNext song:long press the volume down buttonAnswer phone calls when playing music: shortly press the multifunctional button(the mucis will keep pausing)End phone calls after answering when playing music:shortly press the multifunctional button(the music will continue playing)Dial numbers when playing music: double clicking on the multifunctional button will dial the last calls before automatically(the music will keep pausing)The LED displays and relative prompt sound under kinds of condition:●Power on: The blue light will shine for one second●Power off: The red light will shine for 1 second●Pairing: The blue light and red light will shine alternately●Standby(no connecting with the Bluetooth): The blue light will shine every 2 seconds●Standby(connecting with Bluetooth): The blue light will shine twice every 3 seconds●When incoming calls:The blue light flash quickly ●When dialing: The blue light flash quickly●When on the phone: The blue light will shine twice every 3 seconds●When playing music: The blue light will shine twice every 3 seconds●When charging: The red light keep shining●Charging finished:The blue light keep shining●When in low batter: The red light will shine every 60 seconds and with the beep prompt sound.Remarks:The headsets will power off without connecting with any phone in 8 minutes.Pairing period: 3 minutes. It will exist the pairing mode without connecting with any phone in 3 minutes.Iphone battery display.FCC Warning StatementChanges or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna.--Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.--Consult the dealer or an experienced radio/TV technician for help.This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Power on: Under the condition of power off, long press the multifunctional button for 2 seconds,the blue light will flash for half a second with voice prompt of “power on”,then the blue indicator light will flash.Power off: Under the condition of power on,long press the multifunctional button for 3 seconds,the blue light will shine for half a second with voice prompt of “power off”,then the red indicator light will shine for a second and off which means powered off.Paring: Under the condition of power off,long the press the multifunctional for 3 seconds until the blue and red LED lights flashing with the voice prompt of “pairing”,turn on the Bluetooth function on the phone and search new devices,then paring the “BH1521” on the list,the blue and red lights will stop crossing flashing,only flashing with blue light after successful paring.※If stop pressing before cross flashing of blue and red light,it will enter into the status of power on,it needs to turn off the headsets to re-operation.Answer phone calls: when phone calls coming,shortly press the multifunctional button and will go with the beep prompt sound.Reject phone calls: when phone calls coming,long press the multifunctional button for 2 seconds and will go with the beep prompt sound.End calls: when on the phone,shortly press the multifunctional button and will go with the beep prompt sound.Adjust the volume when on the phone: every press on the volume up or the volume down will increase or decrease the volume and it will have the prompt sound when the volume up the maximum or minimum.Redial phone calls: when standby or playing music,double press the multifunctional button,the headsets will control the phone automatically to dials out the phone number you dialed last and it will go with the beep prompt sound. Compatible to two phones:The process is list below:a.After successful connecting with first phone,turn off the Bluetooth of the first phone.b.After shutting down the headsets,reboot the headsets until the blue and red LED lights cross flashing(long press the multifunctional button for 5 seconds),enter into the status of paring again.c.Turn on the Bluetooth of the second phone and search the new device,connect the headsets follow the usual operation.d.Turn on the Bluetooth of the first phone,starting to connect with the headset again.e.Then two phones are successfully connect with the headsets.(tips:when connecting with two phones at the same time,it does not mean that you can listen to the music from those two phones,it just mean that those two phone playing music at the same time,one phone will paused or the Bluetooth is turn off,the headsets will connect with the other phone automatically.) Operation(playing musicPlaying music: operate on the phone or media player(some phones would start the music player automatically when connecting with Bluetooth stereo devices)Pause music: When playing music,Click the multifunctional button,the music will stop.Play music: (when paused the mucis)click the multifunctional button again.Volume up: Every press on the “volume up button”will increase the volume,it will have prompt sound when up to the max.Volume down:Every press on the “volume down button”will decrease the volume,it will have prompt sound when down to the min.Previous song:long press the volume up buttonNext song:long press the volume down buttonAnswer phone calls when playing music: shortly press the multifunctional button(the mucis will keep pausing)End phone calls after answering when playing music:shortly press the multifunctional button(the music will continue playing)Dial numbers when playing music: double clicking on the multifunctional button will dial the last calls before automatically(the music will keep pausing)The LED displays and relative prompt sound under kinds of condition:●Power on: The blue light will shine for one second●Power off: The red light will shine for 1 second●Pairing: The blue light and red light will shine alternately●Standby(no connecting with the Bluetooth): The blue light will shine every 2 seconds●Standby(connecting with Bluetooth): The blue light will shine twice every 3 seconds●When incoming calls:The blue light flash quickly ●When dialing: The blue light flash quickly●When on the phone: The blue light will shine twice every 3 seconds●When playing music: The blue light will shine twice every 3 seconds●When charging: The red light keep shining●Charging finished:The blue light keep shining●When in low batter: The red light will shine every 60 seconds and with the beep prompt sound.Remarks:The headsets will power off without connecting with any phone in 8 minutes.Pairing period: 3 minutes. It will exist the pairing mode without connecting with any phone in 3 minutes.Iphone battery display.FCC Warning StatementChanges or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna.--Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.--Consult the dealer or an experienced radio/TV technician for help.This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Power on: Under the condition of power off, long press the multifunctional button for 2 seconds,the blue light will flash for half a second with voice prompt of “power on”,then the blue indicator light will flash.Power off: Under the condition of power on,long press the multifunctional button for 3 seconds,the blue light will shine for half a second with voice prompt of “power off”,then the red indicator light will shine for a second and off which means powered off.Paring: Under the condition of power off,long the press the multifunctional for 3 seconds until the blue and red LED lights flashing with the voice prompt of “pairing”,turn on the Bluetooth function on the phone and search new devices,then paring the “BH1521” on the list,the blue and red lights will stop crossing flashing,only flashing with blue light after successful paring.※If stop pressing before cross flashing of blue and red light,it will enter into the status of power on,it needs to turn off the headsets to re-operation.Answer phone calls: when phone calls coming,shortly press the multifunctional button and will go with the beep prompt sound.Reject phone calls: when phone calls coming,long press the multifunctional button for 2 seconds and will go with the beep prompt sound.End calls: when on the phone,shortly press the multifunctional button and will go with the beep prompt sound.Adjust the volume when on the phone: every press on the volume up or the volume down will increase or decrease the volume and it will have the prompt sound when the volume up the maximum or minimum.Redial phone calls: when standby or playing music,double press the multifunctional button,the headsets will control the phone automatically to dials out the phone number you dialed last and it will go with the beep prompt sound. Compatible to two phones:The process is list below:a.After successful connecting with first phone,turn off the Bluetooth of the first phone.b.After shutting down the headsets,reboot the headsets until the blue and red LED lights cross flashing(long press the multifunctional button for 5 seconds),enter into the status of paring again.c.Turn on the Bluetooth of the second phone and search the new device,connect the headsets follow the usual operation.d.Turn on the Bluetooth of the first phone,starting to connect with the headset again.e.Then two phones are successfully connect with the headsets.(tips:when connecting with two phones at the same time,it does not mean that you can listen to the music from those two phones,it just mean that those two phone playing music at the same time,one phone will paused or the Bluetooth is turn off,the headsets will connect with the other phone automatically.) Operation(playing musicPlaying music: operate on the phone or media player(some phones would start the music player automatically when connecting with Bluetooth stereo devices)Pause music: When playing music,Click the multifunctional button,the music will stop.Play music: (when paused the mucis)click the multifunctional button again.Volume up: Every press on the “volume up button”will increase the volume,it will have prompt sound when up to the max.Volume down:Every press on the “volume down button”will decrease the volume,it will have prompt sound when down to the min.Previous song:long press the volume up buttonNext song:long press the volume down buttonAnswer phone calls when playing music: shortly press the multifunctional button(the mucis will keep pausing)End phone calls after answering when playing music:shortly press the multifunctional button(the music will continue playing)Dial numbers when playing music: double clicking on the multifunctional button will dial the last calls before automatically(the music will keep pausing)The LED displays and relative prompt sound under kinds of condition:●Power on: The blue light will shine for one second●Power off: The red light will shine for 1 second●Pairing: The blue light and red light will shine alternately●Standby(no connecting with the Bluetooth): The blue light will shine every 2 seconds●Standby(connecting with Bluetooth): The blue light will shine twice every 3 seconds●When incoming calls:The blue light flash quickly ●When dialing: The blue light flash quickly●When on the phone: The blue light will shine twice every 3 seconds●When playing music: The blue light will shine twice every 3 seconds●When charging: The red light keep shining●Charging finished:The blue light keep shining●When in low batter: The red light will shine every 60 seconds and with the beep prompt sound.Remarks:The headsets will power off without connecting with any phone in 8 minutes.Pairing period: 3 minutes. It will exist the pairing mode without connecting with any phone in 3 minutes.Iphone battery display.FCC Warning StatementChanges or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna.--Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.--Consult the dealer or an experienced radio/TV technician for help.This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

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