5
Wearing Instruction
A12 Earphones are designed with an emphasis on ergonomics, your convenience and comfort is
our priority. Adjustable ear hook fits a wide range of ear shapes. No worry that the headset will
fall and lose regardless of you are in walking, hiking, or exercise. Two optional ear caps are
equipped. The flip-boom arm allows to adjust the angle and fit this headset in right or left ear.
Here attaches two sets of ear pouches which can be used interchangeably depending on the
individual wearing habit. And you can adjust the sound quality of the earphones’ tri-band and
noise reduction through the fit of the size of ear pouches and ear canals. Comfortable wearing
can bring you a perfect sense of listening and a good pleasure with enjoying the wonderful
sound.
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WARNING!
Charging voltage:
4.2-5V.
No more than 5V! Over voltage will damage battery.
Note:
1: The phone can't find the Bluetooth headset
Possible Reasons:
A. Bluetooth headset is not under ON and standby state.
B. Bluetooth headset program is error.
C. Bluetooth program of the phone is error.
Solutions:
A. After turning off the Bluetooth headset, hold the “MFB” button (red and blue indicator flashes
by turn) to enable Bluetooth pairing.
B. Recover the Bluetooth headset to default setting.
C. After restart the phone, remove all pairing data in the Bluetooth of the phone.
2: No sound from the headset
Possible Reasons:
A. The volume of the phone is unsuitable.
B. The Bluetooth headset and phone are not correctly connected.
C. The Bluetooth headset is out of the working range.
Solutions:
A. Adjust the volume of the phone.
B. Operate with the reference of the use steps.
C. Keep the headset in the range of 10 feet to the phone without any obstacle.
Cautions:
A. Do not have any other operation when searching Bluetooth for avoiding program error.
B. Please use Bluetooth near the phone to assure best effect.
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Tips
：
The Bluetooth range is up to 33 feet at barrier free and empty place. Some obstacles will
reduce call quality and distortion like wall, cloth and some other solid. Bluetooth is over 20 feet
(6 meters) in obstructed environment.
Содержание A12
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