... :6~300s 5.Sound chip used for cards Promotion Light sensor music recording greeting card1.Material:250gsm art paper with ... by push, pull-tab (slide), light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED flash (optional)Messages: voice, music ... , even more if requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for ...