... ,ROHS,FCC ,EN71. Specifications1.LED module with custom sound2.For book,toys,gifts etc3.Good quality and clear soundSpecifications 1. led strip ... or not3. Voice duration: 1-340s,even more if needed4. Speaker Size: Dia 16,23,27,29,36,40,50mm is ... ; 40mm*25mm customized is avaiable6. Components: Voice IC,PCB board, speaker and battery7. Sound formate: MP3,WAV8. Switch Option: Pull-tab ...