... and function requirements are welcome !General informaiton for sound module for gift box,greeting card,toys , ... components:voice IC,PCB board,speaker and battery 7.sound formate:MP3,WAV 8.switch option:pull-tab ... switch,push button,light,motion,vibration activated the sound 9.battery:2-4pcs cell battery for ... card,gift/package bags,gift box,electronic sound toy,sound gift etc 11.certificate:CE ROHS FCC ...