[Main features]: a highly integrated single-chip multimedia MP3 audio decoder board, Infrared remote control,the new external source AUX interface. | [Wide range of use]Used in toys, gifts, fitness equipment, household appliances, broadcasting systems. | [Easy to upgrade]Upgrading the general audio equipment, make the audio equipment more easily play U disk, MP3 player, SD card file inside. | [Support]SupportUSB/TFCardSlot/Bluetooth/FM/AUX switching, also supports folder selection and playback. Support MP3/WMA/WAV/FLAC/APE format music. | [Additional use] Stereo Bluetooth with a call can also receive hands-free calls