24
Owner’s manual
EN
TROUBLESHOOTING
Problem
Possible reason
Solution
Cannot turn on the
device
The battery is discharged
Use micro USB cable to
fully charge the battery
The MFB was pressed and
held too short
Press and hold the MFB for
3 seconds
Cannot charge the
device
The micro USB cable is not
connected properly
Reconnect the micro USB
cable
Cannot turn off
the device
Headset system error due
to an incorrect operation
Charge and reset the
headset