Blue light emitted by phone screen is the major cause to eye strain and vision loss. Now by this super application: Bluelight Filter, you can easily get rid of these problems. Compared to other apps, Bluelight Filter has the following advantages: 1. Reduce the blue light to relieve eye fatigue and protect your eyes; 2. Provide 5 different filter colors for you to choose, the filter strength can also be dynamically adjusted; 3. Very stable, greatly reducing the possibility of Force Close; 4. Completely free and Easy to use. Also provide an entrance in the status bar, so that you can operate it easily.