What is Blu-light?
Blue light refers to light with a wavelength of 400-500 nm. Blue light is a kind of visible light. Blue light is short and has high energy. It can directly penetrate the lens directly to the retina of the fundus. In the era of smartphones, people spend more time staring at mobile phone screens. However, mobile phone screens, LEDs, and computer screen lights all generate a lot of blue light. This can cause harm to people's eyes and hands, and it can stimulate brown pigments and make skin. Produce yellow spots and freckles will deepen the degree of myopia, resulting in visual fatigue, but also not conducive to normal sleep

Why You need to anti blue light screen protector
1Filter out Blue Light
2Relieve the fatigue of eyes
3Radiation Protection:Through the absorption and conversion of ultraviolet rays, it prevents the dry skin caused by UV reflections from causing skin pigmentation, chloasma and other problems
4Anti-fingerprint,Scratch Resistant(9H),HD Retina Clarity

Package Included
1 x anti blue light Screen Protector for MacBook 12" (Models: A1534)
1 x Accessories Kit

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Guarantee
Products with 6 months warranty. If you have any question about the products you received, please don't hesitate to contact us by Amazon message.We will give you reply within 12 hours and solve your problems as far as possible to make you satisfied.