... 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 toys, greeting card ... .please provide MP3 or WAV file and more 44KHZ, file to us. Pre-recording module for Greeting card, or Music Keychain.Free Contact ...