It's an add on board that needs an arduino or some other micro controller to play thru
Support file format:MP3/WAV
Support Micro SD card, Micro SDHC Card
Support sampling frequency (kHz):8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48
UART TTL serial control playback mode, baud rate is 9600bps. 30 class adjustable volume
 
Product description
Features: Power supply can be 3.2 ~ 5.2VDC Support sampling frequency (kHz):8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 Support file format:MP3/WAV Support Micro SD card, Micro SDHC Card 30 class adjustable volume UART TTL serial control playback mode, baud rate is 9600bps Package Included: 1 x YX5300 Serial MP3 Music Player Module