night filter dims the blue light and provides gentle warm light to ease eye fatigue simple to use and more than effective 

 key features
 ★reduce visual fatigue by adjusting the screen to natural color;  ★filter harmful blue light to effectively protect your eyes;
 ★provide professional eye health assessment to help you form good habits; ★in possession of a variety of color schemes giving a 24-hour eye care;
 ★simple, fast & very easy to use 

 blue light filter protects your eyes by adjusting the screen to natural color and reducing the harmful blue light. you can feel the change when applying it to your screens. it relieves eye fatigue when you are doing night reading, typing or playing games.

 how to use our blue light filter app 
step 1: open the app and turn on the filter