speaking card 1,recording time:0-270sec 2,40mm speaker and 3xAg10 3.copperpaper 4.open card to listen to sound speaking card1,recording ... time:0-270sec2,40mm speaker and 3xAg10 button batteries.3,copperpaper4,open card ... matt finish ,glossing finish,lamination or others.11,Thickness of card: 200gsm,250gsm,300gsm copperpaper .12,When you open sound ...