This product supports MP3 music playback, Memory 8M, supports MP3 / WAV files, supports USB download, small size, light weight.
Support windows systems and IOS systems
Windows system: Click on the removable U disk, delete the pre-stored music, and paste your own MP3/WAV files.
IOS system: format the module first and then download the music.

Power Supply: 4.5-5V or 3.7V lithium battery (battery not included)
RAM: 8M
Sound Recordable Module Size: 32*31mm
Speaker Output: 0.5-1W
Speaker Size: Dia 36mm
Control mode: button or TTL
Default mode: 101 (cycle mode)
Button Control: It will play the music when you press the button and keep cycling before your second press.
TTL Control: lt will play the music when it receives the trigger signal and keep cycling before it receive the signal again.
Power on playback can short-circuit the two points of the button and then turn on the power to start playing!
Volume is adjustable using a small potentiometer on the circuit board.

Package List:
1 Piece Recordable Sound Module
1 Piece Button
1 Piece 36mm Speaker
1 Piece Empty Battery Case
1 Piece USB Data Cable