1. Dual-channel, High-fidelity Voice 2. 2/4GB 3. Huge amount of kids learning books 4. Support MP3 & Record 5. OEM & ODM Function Describe:The reading pen is a popular Kid's learning tool. It's very interesting. Compare with the other kid's learning product, it can strongly attracted the attention of the child. We have prepared a lot of sound books, for example , Mathematic , English learning, ...