3. How to use aHEAD
3.1 General functions
Turn on
Turn off
Enter the
pairing mode
Pairing
Low battery
warning
Charging
Answer call
End call
Reject call
Press "MFB" button for 2 seconds when the device is
off. (Red LED light and a tone voice beep)
Press the "MFB" button for 3 seconds when the device
is on. (A tone voice beep and LED is off)
Press the "MFB" button in "power off mode and hold
on for 5 seconds. (Blue LED and red LED quickly flash
alternately with two beep tone voice).
In pairing mode use a mobile phone with Bluetooth
function or other Bluetooth master devices to perform
pairing action. (Detail refer to the chapter about
pairing).
The red LED flashes
Plug the charger to port of the device. (Red LED is on)
Short click "MFB" button.
Short click "MFB" button.
Press the "MFB" button for 1-2 seconds.
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