2� Connection diagram
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3� How to use aHead
3�1 General functions
Turn on
Press "MFB" button for 2
seconds when the device is
off. (Red LED light and a tone
voice beep)
Turn off
Press the "MFB" button for 3
seconds when the device is
on. (A tone voice beep and
LED is off)
Enter the
Press the "MFB" button in
pairing mode
"power off mode and hold
on for 5 seconds. (Blue LED
and red LED quickly flash
alternately with two beep tone
voice).
Pairing
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
Low battery
warning
Charging
Plug the charger to port of the
device. (Red LED is on)
Answer call
Short click "MFB" button.
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