3� How to use aHead
3�1 General functions
Turn on
Turn off
Enter the
pairing mode
Pairing
Low battery
warning
Charging
Answer 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 de-
vices 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.
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