... message into the module .Our sound chips is very suitable for installing on greeting cards, plush toy,music box and promotional ... 10sec,20sec,30sec or more . Sound chip component: Sound PCB, speaker, battery, button switch or toungue slip. .OEM order warmly welcome ... , pls send audio file in MP3 or WAV format. For more details, pls contact us freely! High quality voice chips for greeting cards