DRIVER UNIT : 10 INCH*2 POWER SUPPLY : DC 9V BATTERY : 7.4V 4000MA CARBINET MATERIAL : PLASTIC MEAS : 340*365*835 MM ACCESSORIES : MANU, REMOTE, adapter, AUX CABLE Wireless microphone CERTIFICATE : CE,ROHS,SASO,FCC,COC CAN SUPPLY Functions: USB/TF/FM/Bluetooth/TWS function RMS: 40W Woofer With Light USB Remote Rechargeable Battery 7.4V 4000MA USB Display