1) push button swithc 2) 2pcs AG 10 batteries 3) customized music or sound 4)60s pre-recorded sound postcard sound chip 60s pre-recorded sound postcard sound chip: Message: voice, music, sound are availableFunction: message pre-recorded (optional)Voice or music pre-recorded duration: 3 to 270s for recording functionComponent: PCB, voice chip, a speaker, mic, LED indicator and batteriesBattery: 2 x AG10OEM and ODM orders are welcomevoice chip Packing: One piece/OPP bag and 100 pieces/box600 pieces/cartonCarton dimensions: 42 x 39 x 29cmNet weight: 10kgGross weight: 11kg

60s pre-recorded sound postcard sound chip