... good sound effect CE, ROHS,FCC Item nameStory talking books with sounds and funny picturesProduct Material Paper & ... Paper Power 1.5V-4.5V Detail information for talking book:Size: 21.8*21.5*2.3cm ... ,any color of the plastic button and any pictures for the book are available.size can be ... sounds can be heard when pressing the relative pictures Main function:For children's educational books, enrich ...