... 3.Mature we specialize in sound module,greeting card ,sound module,voice module. 1. Message: ... duration: 3 to 270s for recording funciton 4. component: PCB, voice chip, a speaker, MIC, LED ... indicator and batteries 5. Battery: 3*AG10 6. OEM and ODM orders ar welcome 7. Suitable for greeting card ... 8. One piece/OPP bag1.mp3,mp4 module,2.sound module 3.inviation card ...