1, the point reading pen needs to be charged to see if there is electricity.
2. If there is no response to electricity, it is recommended to carry out after-sales inspection and maintenance.
3. The point reading pen is broken.
4. The power supply is out of order.
Caterpillar point reading pen is a new generation of intelligent reading learning tool developed by using the latest international zui optical image recognition technology and advanced digital voice technology.
It can realize multiple functions such as point reading, repeat reading, follow-up reading, recording and entertainment at the same time, perfectly combine electronic products with the education industry, and realize the concept of people-oriented science and technology.