retinaguard.com
Anti-Blue light Tempered Glass Screen Protector - iPhone XR
■ 90% blue light blockage (380nm-420nm) / 98% UV blockage (310nm-380nm) ■ Reduce blue light damages and protect the screen / Zero color distortion / Anti-scratch 9H hardcoating ■ SGS & Intertek tested / Japanese technology / manufactured in Taiwan / 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