1.Support OGG/MP3/FLAC ( plug-in support ) /AAC/WMA/WAV/MIDI format audio decodes

2.Support IMA ADPCM coding and recording OGG coding ( plug-in support ) tape

3.Inter zone volume , and sound effect control

4.Plate load mic recording and In line _ interface

5.5v / 3.3v power supply optional . in 5v supply , can to provide outside 3.3v power supply

Provide stm32 source

6.Module small measurement ( 42 * 42mm ) with fitted holes , convenient DIY

7.Module band power indicator lamp and monitor module state