When the loudspeaker is plugged in, the charger can be used and the charger is unplugged. There is no electricity. What's the reason? Is it a battery? New bought.
The battery is out of contact or is fitted back
2, charger failure; socket contact is not good, there is a charging jack contacts when the plug in the charger when the contact is closed to the battery, disconnect the charger contact automatically disconnect the external power supply, switching on the battery. Metal can be short circuited contact, if the microphone work to explain contact problems, sanding is good, otherwise, only the replacement of built-in power supply.
You can plug the charger charger are generally built-in rechargeable power or small battery, plug in the charger can be used that amplifier circuit part is no problem, the problem in the battery power supply part, there are two causes: 1 microphone built-in battery or small battery because placed over a long period of time, the battery or the battery has
