It has rich and interesting sound effects, good sound quality, no noise and can be read in both Chinese and English. Children's books supporting Xin's reading and 5,000 books sold by Dolphin Media cover a wide range, including enlightenment, picture books, cognition, English, popular science and other fields.

At present, the best-selling picture books in the parenting industry have gradually led the innovation consciousness of most point-reading pen manufacturers, and more and more products are compatible with picture books and have been widely popularized.