... 4.CE&ROHS Flashing Musical IC ChipThe IC Chip is with music playing or recordable function, ideal choice ... light, voice, vibration, PIR, etcFlashing Sound IC Chip: pre-recorded or recordable, with LED flash (optional)Messages: voice, music, ... to 270 seconds, even more if requiredThis IC chip can be used for all kind of paper ... before your sent the cards!And this IC chip can also be used for all kinds of ...