This app give you white noise that makes you relax, calm,concentration & etc

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[What is Blue Light?] Blue light is a blue light source with strongenergy in the middle of the visible light. Even with the sameelectronic device, the blue light from smartphones is twice asharmful as a laptop monitor and five times as much as a television.[Why do I need a blue light filter?] Continuous exposure to harmfullight without the use of a blue light charger filter increases thelikelihood of a variety of eye diseases (dry eye syndrome, poorvisual acuity). In particular, if exposed before sleeping, thebrain recognizes the current time as daytime, and it can adverselyaffect other than eye health such as insomnia. [Features of theapp] - Trusted apps: require minimal privileges to protect yourprivacy - Fast, battery-free with only essential functions[Features of the app] - Schedule can be executed according to thespecified time - It has a function to run automatically when thephone is turned on - Various filter colors and free blocking ratecontrol - In the status bar you can adjust the blocking rate andterminate the filter

Streaming 7000+ "Classical Music"! How about take a rest with thisapp?

Make a pet ID photo in 10 seconds.