Use APKPure App
Get Screen Filter: blue light off old version APK for Android
Screen filter application that blocks blue light of 400 ~ 450 nm band. Simple.
It is a screen filter application that blocks blue light of 400 ~ 450 nm band.
We use 700 ~ 750 nm as compensation color band for blue light interception.
The 700 to 750 nm band is the most comfortable color gamut of visible areas.
Free, low-volume app.
Your smartphone or tablet screen will generate a blue light.