Because when the Bluetooth headset is put into the charging bin, the cover must be tightly covered, if there is no salt water cover, the signal can still be connected. Let the use of the mobile phone to watch the drama or catch up with the drama, you can not hear the sound, we can turn off the Bluetooth switch of the mobile phone, so that the Bluetooth headset will not be connected, and the signal will not automatically connect. You can try both ways.
This indicates that there is a fault in the charging bin. Try to take out the headset and put it in again to charge, or check whether the data cable and interface are not well connected. The charger and battery are faulty, which can be detected or replaced.
This is because you do not put the Bluetooth headset into the charging bin, only in the charging bin, its light will be extinguished if it is not possible, you can only replace the internal chip.