The protecting screen is similar to the monitor we uses daily. But this screen can be connect to mobile phone, PC, tablet, TV set-top box, etc. And the images it displays is very big, about 95 inch. And the virtual display distance is about 5 meters away from your eyes. For example, if you connect it to your phone, and you can use this screen to display your phone screen. Then you can get a big size images, and the distance is about 5 meters away from you. And it's very comfortable for your eyes. So it can help protect your eyes if you need to use phone / pc and other electronic products for a long time.
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