Sound chip
1,Material:Circuit board+batteries+speaker
2,40mm diameter speaker
3,3xAg10 button batteries
4,slider switch or press button
5,Double-face adhesive paper (when you tear the paper and you can direct sound chip to greeting card.)
6,With custom sound
7,Sound file:0-270seconds
8,When you open card sound will play and close card sound stops.
9,clear sound quality
10,Comply CE and ROSH .
11,OEM or ODM will be welcomed.
12,Sound module is very suitable for Greeting card,Postcard,Newspaper,Magazine,gift card,Christmas card or others.