The backlight is cool, I recommend it to everyone, it shines cool and beautiful, if you do not connect the backlight to the computer, the mat will not work, be careful, do not forget to connect the backlight !1! Pros: Backlight, rgb backlight, lighting around the perimeter of the rug, backlight setting, rgb lamp from all sides of the carpet, granny liked it Has some cons: I don't want to use the computer if the backlight on the mat is not on.