Top panel operation
1.
Microphone 1 Input
2.
Microphone 2 Input
3.
Aux-in(3.5 mm)
4.
Micro SD Card input
5.
USB Playing back
6.
DC 9V charge.
7.
Charging indicator(Red-charging, Green-Full)
8.
Switch the Power on/off
9.
Play/pause under USB/Micro SD/BT mode. Long press to get TWS function.