RetinaGuard Anti-UV, Anti-blue Light Screen protector for Samsung Galaxy S4 -...
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- 90% blue light blockage (380nm-420nm) / 98% UV blockage (310nm-396nm)
- Reduce blue light damages and protect the screen / Zero color distortion / Anti-scratch 21H hardcoating
- SGS & Intertek tested / Japanese technology / manufactured in China / Easy no bubble installation, no residue
- Excessive blue light exposure found in LED screens may lead to imbalanced melatonin levles found in sleep disorders and eye strain and fatigue
- We understand the potential harm of excessive blue light exposure in children and adults who actively use LED devices and take great pride in achieving the necessary requirements to ensure that RetinaGuard is the highest performing and most trusted blue light Screen Protectors on the market
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Amazon.com: 1 opiniones
My eyes went from burning to never burning by using ...
el 4 de marzo de 2016 - Publicado en Amazon.com
My eyes went from burning to never burning by using this protective Retina Guard. I am a gamer and can be on for hours during a tournament staring at the cell phone screen that it is essential. It is well worth the money!