... Talking Pen 3. Story,English,MP3,Games,etc 4. OEM 5. 32 pages per book Preschool Read Book This set of ... lot of sound books, for example , Mathematic , English learning, Classic Fairy Tales , Chinese learning , game books,etc,. If customers need, we can ... Expand Memory form 2GB to 8GB;5. USB, High speed USB2.0;6. Earphone, 3.5 mm standerd eraphone slot;7. Battery ...