... voice module for book ,it can improve and add learning interest.LED Sound Module For Gift and Toy 1. Message: Voice,music,melody,sound ... for choice5. PCB Size: 70mm*30mm; 40mm*25mm customized is avaiable6. Components: Voice IC,PCB board, speaker and battery7. Sound ... 4pcs cell battery for different item10. Application: Greeting card, gift/package bags, gift box, electronic sound toy, sound gift etc11. ...