Mini speaker for mp3/mp4/mp5: 1.FM radio function 2.suport SD/ ... direct 4.best quality & competitive price 2011 Newest OEM Colourful mini speaker for mp3/mp4/mp5Function1.Stereo sound effect, wonderful bass, sound ... card driver and amplifer circuit needed, easy to operate5.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios and ...