... ,gift and book 3.popular design for children 4.CE,ROHS,FCC ,EN71. Specifications1.LED module with custom sound2.For book,toys,gifts ... ,23,27,29,36,40,50mm is avaiable for choice5. PCB Size: 70mm*30mm; 40mm*25mm customized is avaiable6. Components: Voice ... IC,PCB board, speaker and battery7. Sound formate: MP3,WAV8. Switch Option ...