... music from USB,SD card with remote control.4.3.5mm stereo audio-in for computer, dvd,mp3,mp4,cd,etc5 ... Volume, Treble and BassSpecificationOutput power:Subwoofer:10W,Satellite:5W×2Driver unit :Subwoofer:4'',Satellite:2.75''*2Frequency response:40Hz-20kHzPower requirement ...