... sound and design Long time duration CE& Flashing Chip for Birthday Greeting CardIC Chip with music playing or recordable function, ... voice, vibration, PIR, etcSound Chip for Business Greeting Card: 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 ...