The targus ultraslim chill mat provides a comfortable work surface to keep you and your laptop cool the chill mat rests on your lap and disperses heat using a single fan to provide ventilation which can be obstructed if the laptop is used on a pillow or comforter simply plug the usb connector into the laptop to activate cooling the targus ultraslim chill mat makes using your laptop an enjoyable experience features ultraslim usb powered single fan plastic dimensions 3