... 1.5V-4.5V Detail information for talking book:Size: 21.8*21.5*2.3cm for total ... of the plastic button and any pictures for the book are available.size can be customized as you need. ... can find the relative text and pictures in the book.when you push the red button second time,it ... and design are welcome3. Suitable for children's sound book or toys4.Standard sounds:music, animals,vehicles,peope,etc. ...