... AG10 battery 4.Music time:6~300s 5.Sound chip used for cards Promotion Light sensor music recording greeting card1.Material: ... by push,pull-tab (slide), light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED flash (optional)Messages: voice, ... , even more if requiredComponents: PCB, IC, speaker,microphone, LED indicator,batteries,wire harness, switch, more or less for different ...