Module parameters:
Size: 40 mm x 30 mm x 24 mm
Storage: TF card (32 gb)
Support the file format: MP3, WMA, WAV
Working voltage: 5 v
Built-in mini acoustics
Can change directly via USB audio files without card reader
Directly through the TTL serial command for voice on demand, simple to use
Built-in USB sound card model and serial port on demand
