... Customized sound and design Long time duration CE& Flashing Chip for Birthday Greeting CardIC Chip with music playing or recordable function, ideal choice ... : by push, pull-tab (slide), light, voice, vibration, PIR, etcSound Chip for Business Greeting Card: pre-recorded or recordable, with LED ... itemsPower: 3 x AG10 button cellsOEM/ODM service is availableFlashing Chip for Birthday Greeting Card