How about a reading pen from Credit Suisse?

This product is very good.

Credit Suisse's point reading pen has a high evaluation in the field of education. Its product features include ultra-wide screen and attention to vision protection, which is achieved by reducing the visual pressure caused by long-term viewing and cooperating with blue light prevention technology.

The accuracy and recognition speed of the point reading pen of Credit Suisse Bank in Switzerland have also been tested and verified by authoritative educational institutions, ranking among the best. For the protection effect of learners' audio-visual health, Credit Suisse has reached the leading level in the industry. It also has a 4-inch widescreen with a screen width as high as 33mm, which is one of the best in the industry.