![background image](http://html.mh-extra.com/html/valore/bts20/bts20_manual_852131003.webp)
TROUBLESHOOTING
Issue 1: Earphone is unable to switch on
Cause 1: Earphone battery is flat
Solution: Fully charge the earphone (2 hours) and retry connection with your mobile device.
Cause 2: Time of holding down multi-function button is too short.
Solution: Press and hold the multi-function button until the LED indicator is lit.
Issue 2: Unable to charge the earphone
Cause 1: The car charger is not properly connected.
Solution: Reconnect the car charger to the charging port fully.
Issue 3: Unable to switch off earphone
Cause 1: The earphone program has an error due to an incorrect operation.
Solution: Charge and reset the earphone.
Issue 4: The earphone cannot be searched or paired.
Cause 1: The earpiece has not enter pairing state.
Solution: Press and hold the multi-function button until the LED indicator flashes blue and red,
then the earpiece has entered pairing mode.