... waterproof chip, sound chips Sound module with waterproof function, idea choice for your pool toys.Applied for: gift package, pool toys, ... requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different itemsPower: 3 x AG10 button ... with us, you won’t want to find others any more. Trust us, trust your good eyes. Mini waterproof sound chip for ...