... TF/Micro SD Card Speaker For MP3 MP4 Player Laptop+FM+Radio 1.manufacturer with reasonable price ... mini USB speaker Brand NameJCDModel NumberMD02TypeActiveUseHome Theatre, Portable Audio Player, Mobile Phone, Computer, OutdoorChannels2 (2.0)Special ... speaker product design and development, DVD player products production sales, MID and recorder research and development application, etc., in ...