1.This pad can used together with children's picture books. 2. Sound including the animal series, traffic tool and funny sound, real-man voice
3. Sound can be heard when you pressing the relative keys
4. Different sound button control different sound or the chapters and sections
5. Fit for children to listen and see at the same time, make learning more easier.
6. Install the sound module inside the book, it can send out by pushing button, light sensor.
7. Custom sound, housing design are welcome.