Megoo Surface Book 3 / Surface Book 2 / Surface Book 13.5 Inch Screen ProtectorBlue Light Blocking Tempered Glass/Protect Eyesight/No Bubble Screen Shield

Blue light blocking
Glass: This Surface Book 3/2/1, 13.5 inch glass protector will block harmful blue light from your device, relieves fatigue and protect your eyes.
^^ Easy Installation: Video support on YouTube by searching
Keywords: MEGOO Screen Protector Installation. Unique "hinge" method and video instructions make it incredibly easy to perfectly align your screen protector. The adhesive glue could push air out itself, just position well and lay it down, it will automatically attach to the screen smoothly. ^^ High sensitivity and
Clarity: The HD glass maintains 99% transmission and touch accuracy. The oleophobic coating reduces smudges and fingerprints, ensures easy cleaning, friendly to your fingers.
^^ Blue light: Harmful to humans retina. MEGOO blue light UV Blocking Screen Protector filters over 90% of 380-420nm blue light and 60% of 420-450nm blue light. The blue light blocking screen protector is of a little blue color during the day.
^^ Lifetime Warranty: At MEGOO, we back our screen protectors with a lifetime warranty. No matter how long you've used it, we'll offer you a quick, and professional customer service if you need any assistance about our screen protector.