It is a screen filter application that blocks blue light (blue light) of 400 ~ 450 nm band.
We use 700 ~ 750 nm as compensation color band for blue light (blue light) interception.
The 700 to 750 nm band is the most comfortable color gamut of visible areas.
Pro version has no ads.
Protect your eyesight with blue light blocking.

Your smartphone or tablet screen will generate a blue light.
Blue light (blue light) makes your eyes nervous and you can not take a good night sleep.
Screen filter is an application that removes blue light.
Blue light (blue light) removal as the most comfortable color filter for eyes, as well as protecting eyes fatigue.

Step 1. Download Screen Filter:Pro, Blue light Mod (Paid for free Free purchase) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Screen Filter:Pro, Blue light Mod (Paid for free Free purchase) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search Screen Filter:Pro, Blue light Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.