... SD USB card reader,FM -Mini audio board -SD/ USB card reader ,FM radio -ABS,oblong -MP3 decoder board with AUX line in SD USB Card reader,universal ... MP3 Decoder Board(Mini audio board) Function and features:micro card reader,SD/USB MP3 Decoder Board, ... speakerRemarks: 1) More new designs are on the way 2) We do best service to every customer, the more you ...