1. The screen of the whiteboard is like a big screen. It can be pulled horizontally or vertically, and it is concealed, which makes students very curious about it.
2. The whiteboard can also conveniently store the teaching process and results, making it easy for teachers to reflect and analyze
3. In addition, the passive induction pen of the whiteboard is like a dust-free chalk, which enables teachers and students to write, drag and draw freely on the whiteboard and courseware.