... enclosure R.M.S:20W 2.1 usb sd speaker with remote control,multimedia speakerwith usb/sd slotANJI TENGFEI ELECTRONIC CO. LTD ... black piano finishes on subwoofer and satellites3.can play .mp3,.wma music from USB,SD card with remote control.4.3.5mm stereo ... audio-in for computer, dvd,mp3,mp4,cd,etc5.Master control of Volume, Treble and ...