... 4.best quality & competitive price 2011 Popular Design,Home Portable Laptop OEM Mini SpeakerFunction1.Stereo sound effect, wonderful bass, sound beyond ... driver and amplifer circuit needed, easy to operate5.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios and ... CTN40Gift box size200*100*100MM 2011 Popular Design,Home Portable Laptop OEM Mini Speaker For MP3/MP4/MP5