Privacy Protection: Anti-peeping on the side, does not hurt the eyes, protects privacy, the screen is clearly seen at 90 degree on the front, and the screen is black when left and right is less than 45 degree , and the content of the mobile phone cannot be seen.Touch Feeling: High-sensitivity nanofibers are used to accurately sense each operation of the fingertips, Floating atomic surface, smooth surface without resistance.Automatic Repair: Newest Nano rebound technology, automatic repair of minor scratches,Thicker cobweb rebound, improve elastic shock resistance, reduce the risk of broken LCD screen.Bubble Attention: If there are air bubbles after installation, you can gently tear up the film, push it in one direction with a scratch card, and squeeze the air bubbles out of the screen until the screen and the film are fully fitted, and the curved surface is covered to the edge