... Customized sound and design Long time duration CE& Flashing Chip for Birthday Greeting CardIC Chip with music playing or ... voice, vibration, PIR, etcSound Chip for Business Greeting Card: pre-recorded or recordable, with LED flash (optional)Messages: voice, music, ... PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different itemsPower: 3 x AG10 button ...