... cards with cutomized artwork design,for different occasions,such as gift,promotion,invitation and advertisement,etc.> Recording time duration: 6s to ... MIC> Playing mode(optional): 1,With PLAY button 2,The card will be played automatically as soon as it is opened ... W140mm x H6mm(folded),or customized design> Finishing of paper card: gloss varnish,matte varnish,gloss lamination,or matte lamination> OEM ...