4.Uses - Suitable for indoor, camping, travel, leisure and other places, easy to carry, you can watch the enlarged version of the mobile phone screen anytime, anywhere.1.3D - This screen magnifier can enlarge the screen of the mobile phone, and it can enlarge the screen of the mobile phone 3 times. 3D magnifying glass for smartphone video screen magnification.2.HD Screen - The enlarged screen has a high-definition display, is portable, light in weight, and small in size, giving users a perfect experience of watching the screen of a mobile phone.Package：1PC Mobile Phone Magnifier5.Size：18.5x12.5cm3.Protect Eyesight - Enlarging the mobile phone screen with high-definition optical technology can the discomfort and visual fatigue caused by focusing on the small screen for a long time, effectively screen reflections and reduce eye fatigue.