Four Buttons Sound Module for Child's Sound Book

Sound Module for Child' s sound Book, make children' s learningmore interesting and easier.
1. Four buttons for sound, witth animal sound, vehicle sound orother sound,
Each button can put 3 seconds-15seconds or more.
2. Use AG 10*3PCS button cell.
3. Size: 220*50*14MM, without mould opening(existing mold )
4. It can be installed onto the book, when you press the button, itwill play customized sound.
5. Clear and vivid voice quality.
6. All memories will not lose even if when power if off.
7. With standard voice or customer voice. Sound format: MP3 and WANformat.
8. Package: One piece in an OPP bag or use blister to hold
Offer OEM service
Customized design are welcome
Four Buttons Sound Module for Child's Sound Book