... ,FCC ,EN71. Specifications1.LED module with custom sound2.For book,toys,gifts etc3.Good quality and clear soundSpecifications 1. led strip light ... 7.Features: waterproof is available 8.the sound is customized,clearer and good quality9.LED voice module for book ,it can ... PCB Size: 70mm*30mm; 40mm*25mm customized is avaiable6. Components: Voice IC,PCB board, speaker and battery7. Sound formate: MP3,WAV8. ...