what is blue lite in android (protect your eye ) ?

What is Blue lite in android ?

• this topic is health advice, advice is you are use the smart-phone to your phone screen is made in three leaser lick (RGB) red,green and blue.
• this blue lite is a not harm full but most of people is use your phone lick this pitchers.   

• this time most harmful your eye, you can use this mated to you can not sleep a long time .
• you can use mostly 3 hour after you can eye is pain.
• this is work your brine see this pitcher.

   

• you are under stand . thx for see