The screen used is an ink screen, which is very comfortable to look at, will not hurt children's eyes, and can help children protect their eyesight; In addition, the function of Shivo Xiao Mo is also very powerful. It can be used to recite knowledge points, read books in and out of class, take notes and collect wrong questions. With Sivo Xiao Mo, it is equivalent to having four books. Compared with other teaching AIDS on the market, this one of Shivo's is better. The ink screen used has no backlight and does not sting eyes. But it is not recommended to study too long every day. Even reading for too long is not good for children's eyes. Many children began to wear glasses in primary school. Children should pay more attention to their eyes at ordinary times. Mobile phones and tablets have no eye protection function, so don't give them any more.