1, children's early education reading pen: mainly used for enlightenment education, including early education learning cards, children's books, math cards and other supporting products.

2, children's English reading pen: focus on English learning, provide English teaching materials, children's English reading materials, etc.

3. Children's Chinese character reading pen: for Chinese character learning, it is mainly used for reading and writing.

4. Universal point reading pen: it has more comprehensive functions and can be applied to many types of books and study cards, including enlightenment education, English learning, Chinese character learning and other fields.