... chip, waterproof tracking chip, waterproof rfid chip, recordable waterproof chip, sound chips Sound module with waterproof function, ... wire harness, switch, more or less for different itemsPower: 3 x AG10 button cellsOEM/ODM ... electronics component. For example sound chip, sound box, music greeting cards, plush toys, sound ... floor is production line and quality control. This will also support and guarantee ...