Make programmable micro sound melody chip for christmas greeting card

Greeting card sound module

Material:Circuit board +battery+speaker+double-face adhesive paper 

Curcuit board' size:about 36mmx23mm

Speaker:40mm diameter

Batteries:3xAg10 button batteries

With custom sound:0-60seconds

With press button

With double-face adhesive paper(you could attach this product to your greeting card direct when you tear paper)

OEM or ODM is welcomed 

Comply CE and RosH

When you open card and press the button to play