... battery,900mAh(built-in in headphone)Power Supply:230V plug-type power adaptor(for transmitter) Input:220-240V-50/60Hz,25mA, Output ... cables(1.5m),jack plug adaptor (6.3 to 3.5mm),stereo RCA adaptor(to 3.5mm jack plug),power adaptor Material:Housing,Plastic,Ear ...