Feature: 1. The ultra-high-definition screen provides you with a comfortable viewing experience. 2. Protect your eyes: use high-definition optical technology to zoom in 3. On the mobile phone screen, reduce the discomfort and visual fatigue caused by focusing on the small screen for a long time. 4. Wide compatibility: applicable to all mobile phones. 5. The product is simple and easy to carry, light weight, small size, suitable for indoor, camping, traveling, leisure and other places. 6. Size: 23.6x14.5x15.8cm