The Grove MP3 is a 20x40mm super mini Music module based on a WT2003S-20SS audio decoder. It supports high-quality MP3 format audio files with a sampling rate of 8~48KHz and a bit rate of 8~320Kbps. In order to expand the storage capacity, we added a TF card slot on the back of the module. TF card adopts DIO interface mode, supports up to 32GB, and supports FAT16, and FAT32 file systems. Now with this little music module, you can carry hundreds and thousands of music in your pocket.

Highlighted Features 

• Supports MP3 format audio files
• Sampling rate: 8~48KHz / bit rate: 8~320Kbps
• Support up to 32GB TF card
• Support speaker and earphone output audio at the same time
• Compatible with 3.3V and 5V platforms 
• Support 32-level volume adjustment