Type: Portable Speaker
Battery Capacity: 7.4V/1800mAh Battery
Voltage: AC 110-240V
Frequency: 50-60Hz
Impedance: 4?
Frequency Response: 40Hz-20KHz
Sensitivity: 93dB+3dB
Function: Bluetooth,LED Disco Light, FM Stereo radio, Microphone priority switch, USB/SD Card input,Microphone & AUX inputs