... 5. welcome order music chip with aa battery 1, Time: 6s/10s/12s/15s/20s/40s/60s , 240s2, Sound formate: Mp3, WAV3, Switch ... Option: Full-tab switch, Press button, Light motion, Vibration activated, Magnetic switch4, Battery: 2-4pcs ... support LED light, 6. Components: Voice IC, PCB Boad, Speaker, battery, 7, Welcome OEM and ODM service 8, Cerfificate: CE, Rohs9 ...