1.USB Mini stereo 2.Stereo sound 3.Total antimagnetic design 4.Powered HI-Fl amplifier 5.Notebooks/pc/mac/mp4/mp3 6.RMS power:4x3W 7.Meas:53*40.5*32.5cm Pcs/ctn:40 G.W.:16kgs Fronttek,offering all kind of computer peripherals such as Mouse, Keyboard, Multimedia Speaker, Headphone, Card Reader and Digital Audio & Video products such as Mp4, PSP,DVD-T TV and Portable DVD player.