... Board(Mini audio board) Function and features:micro card reader,SD/USB MP3 Decoder Board, fm radio and digital ... , next songs, volume control, Play/pause, repeatOEM & ODM ServiceODM & OEM service is availableCompany Brief Introduction Founded: 2000Total Staff: 51-100 ... ,including around 5 R&D StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, active speaker, ...