What is Blue light filter in Smartphone when to use it explained in Tamil / தமிழ் HD

What is Blue light filter? how it helps your eyes? when to use it? twilight app: https://goo.gl/s7d3K1 night owl: https://goo.gl/bYx2Tc for computer: https://justgetflux.com FOLLOW, SUBSCRIBE AND SUPPORT ME: YouTube : https://youtube.com/TechTamizha Facebook: https://facebook.com/TechTamizha Twitter: https://twitter.com/TechTamizha Twitter: https://twitter.com/LakshmiRajan Instagram: https://www.instagram.com/lakshmirajan/ Tamil Tech Play lists: News@7: https://goo.gl/p4CY9K Mobile reviews in Tamil: https://goo.gl/OIJZiE Tech QnA : https://goo.gl/Sz5b3x Features, Tips and Tricks: https://goo.gl/fAwfXt Unboxing and First impressions: https://goo.gl/DDwBF0 Gaming Reviews: https://goo.gl/301my5 Tech Tamziha is a Tamil YouTube channel for gadgets, mobile, technology reviews, news and opinions. I cover tech news in Tamil, mobile reviews in Tamil, and technology opinions in Tamil. My other Tech Youtube Channel - TechRaman. YouTube : https://youtube.com/TechTamizha Facebook: https://facebook.com/TechTamizha Twitter: https://twitter.com/TechRaman Twitter: https://twitter.com/LakshmiRajan website: http://techraman.com/ Tech Tamizha a.k.a Tech Tamila