... switch,Pressing, Recording, Light sensor,etcSpecifications:Applied for: Music bottle opener for promotion, gift package, promotioanl gifts, etc. Activated: ... Components: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different items Power: 3 ... to becoming your business partner. Item Music beer bottle opener Music time 3s-180s as customer need Music format ...