MP3 module,voice module,music module with amplifier 1.support SD card,easy to change the voice ... capacity,good quality MP3 module,voice module,music module with amplifier usb sound voice recording module pre-recorded voice module ... 8~320Kbps MP3 audio files.3.Support SD card with maximum capacity of 32G Byte.4.Support the playback ... devices etc. music module,voice module,musical module with amplifier