... 1,recording time:0-270sec 2,40mm speaker and 3xAg10 3.copperpaper 4.open card to listen to sound speaking card1,recording ... format .8, PLs send customizable printing images to us with PDF and AI file format .9,Complay CEand RoSH certification.10,The ... ,Thickness of card: 200gsm,250gsm,300gsm copperpaper .12,When you open sound greeting card and you will listen to vivid pre-recorded ...