1.Sound module for cards,toys, promotional gift 2.Custom audio ... Put your own audio inside the module! .Insert your CUSTOM sound,music, message into the module .Our sound chips is very ... ,20sec,30sec or more . Sound chip component: Sound PCB, speaker, battery, button switch or toungue slip. .OEM order warmly ... format. For more details, pls contact us freely! High quality sound modules for greeting card