the key board cover be really nice and easy to use . you just place it over you key - it keep dust and dirty stuff from get all over you key . I bring this because I have really oily finger and I do not like the oil mark on that be leave by key on the screen . this key board cover for I reduce the oil mark on the screen . my friend be use my laptop and he be like do something weird happen to you key , they feel different ? he do not even know there be a cover ! Thats how nice the cover be . I recommend this type of cover not the color one because they be more professional and the light still glow nicely . on the f5 and f6 button there be just the f5 and f6 symbol not the symbol to make you key light up or down . all the other button be the same as you key board . now that I have the cover I barely use the key light except when im in the dark . the feel be really soft and a little higher than you might be use to but you will get use to it because its a small difference . oh and the key do not make that much noise with the cover when you typing very fast . this could be useful in a meeting or a class . I be really happy I buy it . it be not too much either