Lexerd - Compatible with Compaq Presario TC1100 TrueVue Crystal Clear Laptop Screen Protector

a blue light filter and privacy shields for your macbook let's check this out [Music] Dave Taylor here I will talk about blue light for a second so blue light is a frequency of light that comes out of screens on your computer your phone your tablet your TV you know really everywhere in fact it is actually just part of the natural spectrum and the way it works is it's supposed to help kill your body as to when you should sleep and when you should be awake so if you go to sleep at sunset and you wake up at sunrise then that's all working right but we don't really do that anymore do we right we look at screens and so those screens are still giving us that blue frequency which gives you eye strain and headaches but more importantly it messes up your production of melatonin which means that you have a harder time falling asleep so it's kind of a real mixed bag having a chance to work on your