BT version:V5.0 bluetrun Speaker size: 4"*2 Output Power::10W +10W Battery:1200mAh /3.7V Function:Bluetooth/USB/FM/AUX /Micro SD /MIC/Remote Control/ Accessories:USB Cable/Audio cable/Remote/Belt Product size:390*180*220MM Carton size:72.5*48.8*41MM QTY/ Carton :12pcs 40GP:3580PCS