Features and specifications:
1) Built-in 5.1 channel amplifier
2) Compatible with Mp3 and USB flash disc specifications
3) Protection against overload/over voltage
4) Individual channel volume control
5) Full function remote control
6) Full function LCD display
7) Optional OTG function
8) Output power: 20W+10W x 5
9) Frequency response: 30Hz-150kHz
10) Power supply: 110V/120V/220V