... 2. Reading by The Talking Pen 3. Story,English,MP3,Games,etc 4. OEM 5. 32 pages per book Preschool Read ... Book This set of audio books including: National Studies, English, Pinyin, Cognitive, Literacy, Math, Stories ... , Songs. It will serve as standard audio books and become the basic audio products withe e pen. Talking pen for "Preschool Sound ...