Perfectly adapted to full display, reduction of blue light radiation, saves electricity, and very small memory usage at runtime.A very universal filter blue light software, whether playing games, chatting, reading novels, watching movies can be used.Usually Anti-blue glasses can only filter about 25% of the blue light, and it takes money and time to select, need to be carried at all times, which is very inconvenient.Eye Shield can be used anytime, anywhere, we are willing to work hard to protect peoples eyes, because is the window of soul.Statistics: Know clearly how many times you open your cell phone and how long you use it in a day, so that you can quantify your time.Weekly Usage Report: Update every Sunday at 11:00 to know how much time it took last week.Warm Light: By forming a yellow mask in the screen to filter blue light, thus achieving the effect of protecting eyes,you can used anytimeOutdoor: Relive eye fatigue under strong light, used in the sunSleep Aid: Red light releases melatonin, which effectively promotes sleep,used before go to bedGame: Toggle god mode, used when you play gamesNight: Darker than darker, used at nightWe promise not to do anything that if you not allowed.