The magnifying glass adopts high-definition optical lens material, and the wooden frame bracket is environmentally friendly, which can adjust multiple viewing angles. You can enjoy 3D vision even away from the screen, effectively preventing mobile phone radiation from harming the human body Screen Magnifier Dimensions: 21" Laptop and Mobile Screen Magnifiers measure 19" (50cm) overall length and 14.3" (36.5cm) overall height. The screen is 19.3 inches (49 cm) long and 10.5 inches (26.7 cm) high Product name: notebook magnifier and mobile phone screen magnifier, material: wood, imported ultra-clear optical lens Features: high-definition magnifying screen, anti-blue light, away from radiation This phone computer screen magnifier is the perfect holiday gift for family, friends, loved ones, movie lovers and gaming buddies Fatigue-free viewing angle: The ergonomic design of the desktop video amplifier can adjust the desktop angle, adapt to different viewing angles of the laptop, adjust to the most suitable angle for you, reduce the fatigue of watching movies and work games for a long time, so you can Put most of your work and movies in a comfortable position on the sofa or bed.