... 2.suport SD/USB/FM 3.Can change direct 4.best quality & competitive price 2011 Popular Design,Home Portable Laptop OEM Mini ... driver and amplifer circuit needed, easy to operate5.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios and other ... /CTN40Gift box size200*100*100MM 2011 Popular Design,Home Portable Laptop OEM Mini Speaker For MP3/MP4/MP5