1. Bluelight filter: Protect your eye from tired. Can adjust light transparency.
2. Countdown timer: custom second to count down, remind you not to use phone too long ,lift you head up and take some rest.
3. Statistic usage time of phone and each app.
4. Quick switch on/off bluelight filter.
How to install Blue light filter / countdown APK?
2. Click the download button to download Blue light filter / countdown.Once the download completed,find Blue light filter / countdown in your download folder or notification center and tap the icon to install the APK.
3. Find Blue light filter / countdown icon in your home screen then tap the icon to open it.