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.
5. Compatible to Android 5.1.1+(Include Android M)