Do you feel tired when you read on your cell phone at night?Is there a sleep difficulty after a long time looking at a mobile phone screen?Blue light filters - not only for adults, more suitable for children, to ensure 24 hours of eye care. The blue filter reduces the blue light by adjusting the screen to the natural color. Switching your screen to nocturnal mode can reduce your eye tension, and your eyes will feel relaxed when reading at night. In addition, the Blu ray filter will protect your eyes and help you sleep easily.The key feature of the Blu ray filter - the screen dimmer for eye care: It reduces the blue, relieve eye fatigue;You get a better sleep harmful blue light filtering;start timing automatic eye mode, very easy to use;Save battery 15% intelligent mobile phone;Intelligent mobile phone, tablet computer, notebook computer, LED large screen. Fully compatible.What is blue light?Blue light is a series of visible light spectra, including a wide range of technologies, including computers, smartphones, TV and lighting.In the daytime, natural exposure to blue light can enhance people's energy, vigilance and mood. However, long exposure to waves transmitted through a screen device disrupts the circadian rhythm and causes a variety of health effects, including disrupting normal sleep time.In order to ensure better sleep, blue light should be reduced in the evening.Are you still looking for a glare screen filter? This is a useful anti glare screen filter that you need to try. Use our anti glare screen filter to protect your eyes.Compatible with most Android phones, including but not limited toSamsung Galaxy S8 & S8 Edge, S7 & S7 Edge, Note 8, A8+; Huawei P10 & P10 Plus, Huawei Mate 10 & Mate 9, Huawei P9, Honor 8; HTC U11+, HTC Desire 10 Pro; OnePlus5 & 5T; OPPO Find 9;OPPO F5; Xiaomi Max2, Xiaomi 6 ;Honor 7X, Honor view 10,Honor 9 Lite; Google Pixel; LG S6.Key words mentioned in user reviewsInsomnia, blue screen, Twilight, better sleep, eye fatigue, lamp dimmer, the screen of the night, nighlight, grasping, reading lamp, night light, blue, blue, blue blue filter, filter, eye protection, eye health, filtering, night night screen, eyes, eye care, nursing eye, screen filter, night mode, night night filtering.