... Customized music and function requirements are welcome !General informaiton for sound module for gift box,greeting card,toys ,music box gift, ... is avaiable 6.components:voice IC,PCB board,speaker and battery 7.sound formate:MP3,WAV 8.switch option:pull-tab ... push button,light,motion,vibration activated the sound 9.battery:2-4pcs cell battery for different item 10.application:paper greeting card,gift ...