1.Light sensor voice module 2.Play up to 300 times 3.3pcs AG10 battery 4.Music time:6~300s 5.Sound chip used for cards Promotion Light sensor music recording greeting card1.Material:250gsm art paper with film lamination2.Size:w7xh11cm folded size,w14xh11cm when open size3.Unit weight:about 16g3.Inside:full color printing,outside blank white sticking on the magazine,toy,book,catalog,etc4.Battery:2 ...