2. Charging the headset
The headset comes with a built-in rechargeable battery, prior to using it, it is
recommended to charge the battery fully for the first time.
When the headset is low power, red LED flashes twice and the headset emits
three "Dong" tones every 20 seconds. Please recharge the battery of the
headset.
1) Using travel charger
Connect the charger to a standard power outlet and the charger plug to the
charging jack of the headset. Red LED is on while charging. It takes about 3
hours to charge the battery fully. When charging has completed, red LED
will be off.
2) Using USB cable
Connect the USB cable to a computer USB port and the USB cable plug to
the charging jack of the headset. Red LED is on while charging. It takes
about 3 hours to charge the battery fully. When charging has completed, red
LED will be off.
Note: Choosing travel charger or USB cable depends on different countries
or areas and actual demands.
Remarks:
1) The battery is recyclable.
2) Batteries (battery pack or batteries installed) shall not be exposed to
excessive heat place, such as sunshine, fire or the like.
Getting started
1. Turning on/off the headset
Function
Power on
Power off
Operation
Press and hold MFB button for
3~5 seconds until blue LED
flashes
Press and hold MFB button for
3~5 seconds until red LED
flashes
3
LED indicator
Blue LED is on
for 1 second
Red LED is on for
1 second