... .best quality & competitive price 2011 Popular Design,Home Portable Laptop OEM Mini SpeakerFunction1.Stereo sound effect, wonderful bass, sound ... driver and amplifer circuit needed, easy to operate5.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios ... )79*92*87mm Shellplastic USB InterfaceHi-speed USB 2.0 Color availablepink & white,Blue & white,Green & White,optional Gross ...