pre-record round shape sound module for kids audio book, education and creativity books 

Round soun module for kids audio book, pre-record sound module, applied for kid education and study. 

Push the sound module, it would be activated to play the pre-record sound or message.

Specification:

1. Pre-record mesage and sound file, custom sond module;

2. Sound file duration: around 30 seconds;

3. Module size: diameter 38mm or 30mm * height: 16mm

4. Operated by 3pcs button cell AG10

5. speaker ize: diameter 29mm

6. Printing sticker to attach on top side

7. Rohs sand EN71 standard