... greeting cards module 1.Applied for: greeting cards, gift package, food package, promotional package, etc.2.Activated: by push, pull-tab (slide), light, voice ... Sound IC Chip: pre-recorded or recordable, with LED flash (optional)4.Messages: voice, music, and sound, customized sounds ... Module is with music playing or recordable function, ideal choice for your greeting cards and toys.And we .our factoy ...