Feature:
Supported 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
Level 30 class adjustable volume
UART TTL serial port control play mode, baud rate is 9600bps
The power supply can be 3.3V/5V TTL

This module is a simple MP3 player device based on high quality MP3 audio chip MH3028M.
It can support MP3 and WAV file formats with sampling frequencies ranging from 8kHz to 48kHz.
On-board TF card slot, so you can insert a micro SD card that stores audio files.
MCU can send commands to module through UART port to control MP3 playback status, such as switching songs, changing volume and playback mode.
You can also debug the module from USB to UART module.
It is compatible with Arduino/AVR/ARM/PIC

Applications: Car navigation voice broadcast, road transport audit, toll station voice prompts, train station / bus station security check voice prompts,
vehicle access channel verification voice prompts, mechanical and electrical equipment failure automatic alarm, fire voice alarm prompts, etc.

Package include:
2 x YX5300 serial MP3 music player module