Bluetooth DISCO Tower Speaker Features: Build-in Bluetooth Disco ball on the top with on/off switcher. Night Illumination control buttons USB out charge for other mobile devices: 5V/2.1A (Charging cable not included) 3.5mm aux in jack 20 channel programmable FM Radio Remote Control Built-In 4x3"" High powered speaker system . Total Output Power: 25W Power on/off on the rear side of the unit."