Cyxus Blue Light Filter [Sleep Better] 9H Hardness 0.2mm Thinnest Premium Tempered Glass Screen Protector Compatible for Xiaomi Note Blue Light UV Filter Tempered Glass Screen protector for Xiaomi Note Filter harmful blue light and UV rays from your device, which can lead to eye-strain and eye-fatigue. Promote healthy melation levels for better sleep. Protect your eyes and your sleep schedule Made of 9H hardness tempered glass, so it is firm enough to prevent scratches, scrape and crack. Protect the screen of your device High Definition Transparency Film that ensures maximum resolution for Display. TruTouch Sensitivity for a natural feel that provides flawless touch screen accuracy. Easy to Install with self-adhesive silicone and bubbles-free/no Residue