We can connect to the MP3 module with the USB cable and get our favorite music files imported into MP3, which is very suitable for listening to music or doing listening training.
Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections type: Serial port
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05038/
