... 1, music chip with aa battery 2, OEM service 3, 10s-240s 4, customer music welcome 5. welcome order music chip with aa battery 1, Time ... 4pcs AG10 or AG13 button battry or dry battery,5, Other fuctions: support LED light, 6. Components: Voice IC, PCB Boad, ... Speaker, battery, 7, Welcome OEM and ODM service 8, Cerfificate: CE, Rohs9, Suitable for various of ...