Screen Filter:Free, Blue light apk content rating is Everyone and can be downloaded and installed on android devices supporting 16 api and above.
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. Free, low-volume app.
Your smartphone or tablet screen will generate a blue light.