Power: 30W Battery: 11.1V4.4 Ah lithium battery for 6-8 hours use Voice Amplifier with wireless Handheld Microphone

6.5” Karaoke Speaker Woofer: 6.5”X1+ Twee te: 2″*1+LED light

Function: USB/SD Input, Bluetooth, FM, Shining LED, Mp3 play

AC: 110V~240V, DC15V

Frequency Response: 50Hz-20KHz

Impedance：4Ω    Sensitivity：350mv