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Bluetooth Solution: CSR
Bluetooth version: V4.0
Support agreement: A2DP, AVRCP, HFP, HSP
Operating distance: 10M
Battery: 300mA
Charging time: about 3 hours
Charging current: 200mA
ANC working time: about 8 hours
Driver Unit: Ø40mm
Sensitivity: 105dB/1mW(S.P.L at 1KHz)
Frequency Range: 20Hz-20KHz
Rated Power: 10mw
Max. Power: 20mw
The unit's battery must be recharged before use.
The accessory micro-USB cable must be used for recharging the unit's battery.
Connect the appropriate connector on the accessory micro-USB cable to the micro-USB port on the headphones, and the USB plug on the other end to a USB port on a computer.
When recharging begins, the LED indicator on the headphones will light red.
Full recharging requires about three hours; when recharging is completed, the LED indicator will turn off.
When the battery's charge is approaching depletion, a beep sound will be heard in the headphones at one-minute intervals.
Note
Battery recharging time and usable battery time may vary depending on ambient temperature and frequency of use.
Do not place metal objects near the headphones' charging contacts, since dangerous electrical shorts or abnormal heating may result.
Please don't attempt to change the rechargeable lithium battery that should last the lifetime of the device.
Please don't dispose used batteries/electronics with ordinary solid waste, since they contain toxic substances.
Notes:
When you slide the NC button to the "On" side, the indicator will turn on, then you can enjoy the headphone in Noise cancellation mode. When you don't need the Noise cancellation function, please slide the NC button to the OFF side.
Functions | Status of headset | Operation |
Redial Last number | Standby mode | Short press MFB twice quickly |
Volume up | Conversation mode | Short press "+" button |
Volume down | Conversation mode | Short press " - " button |
Answering calling | Ringing | Short press MFB button |
Reject calling | Ringing | Press and hold MFB button for one second, and release until you hear indication sound |
Notes:
Not all the mobile phones support all the functions listed above. Please refer to the instruction of your mobile phone. Some functions and indication tones may vary with mobile phones
To use the wireless headphones to listen to music form a bluetooth device, you must first perform pairing with the bluetooth device using the A2DP audio profile.
Controls when listening to music
(+) button
Press once: increase the volume
Press and hold: return to beginning of track or chapter.
(-) button
Press once: decrease volume
Press and hold: advance to next track or chapter
MFB button
Press once: play/pause
Hold the wireless headphones MFB button depressed for about five seconds to turn off the power.
Problem | Remedy |
Power won't turn on | Recharge the wireless headphones |
The batteries will not charge | Confirm that computer is ON. Confirm that computer is not in power-saving mode. Confirm that accessory micro-USB cable is securely connected to both the wireless headphone and computer. |
Can't perform pairing | Place the wireless headphones and bluetooth device closely together when performing pairing |
Can't perform bluetooth connection | Confirm that power is turned on for both wireless headphones and bluetooth device. Confirm that bluetooth function is turned ON in the device you are connecting to |
No sound when playing music | Confirm that power is turned on for both wireless headphones and bluetooth device. Confirm that connection with bluetooth device is set for profile A2DP. Confirm that the connected music playback device is set for PLAY. Confirm that sound volume controls on both wireless headphones and music playback device are set to appropriate levels. |
Sound is distorted when playing music | Check that no other devices utilizing the 2.4GHz wavelength are nearby, and that no obstructions black the signal path. |
Can't use the hands-free operation | Confirm that wireless headphones and bluetooth device are connected using the profile HFP or HSP. If connection that to the bluetooth device is in profile A2DP, it may be necessary to change connection profiles(depending on the specifications of the bluetooth device). |
Communication distance is short and sound is garbled | Check that no other devices utilizing the 2.4GHz wavelength(including microwave ovens, wireless radios, etc.) are nearby. and that no obstructions block the signal path. |
Adjust the headphone sound to the proper volume. Loud sound may damage your ears.
Don't turn the volume so high that you can't hear what's around you.
Use caution or temporarily discontinue use in potentially hazardous situations.
Don not use the headphones while ridding a bicycle, motor bike, or while driving a car. The use of headphones may create a traffic hazard and is illegal in many areas.
Not exposure or toss headphone into a fire. It will probably caused an accident
Don't disassemble headset any if you are not an expert.
Place out of reach of small children to prevent accidental ingestion of small parts.
This equipment is not waterproof. To prevent a fire or shock hazard, do not place any container filled with liquid near this equipment(such as a vase or flower pot) or expose it to dripping, splashing, rain or moisture.
To prevent a fire hazard, do not place any naked flame sources (such as lighted candle) on the equipment.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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