... sound quality Long life time RoHS, CE certificate Easy button with customized sounds and the logo print, available for gifts and toys ... for playing music, can be made with customized sound. The logo on the top could be customized.Main components:PCB, Speaker, push ... button, AAA battery, wires, IC, etc.Can be made with customized silk print, any design is available. OEM/ODM orders are warmly welcome ...