The targus lap chill mat provides a comfortable and ergonomic work surface to keep you and your laptop cool the chill mat rests on your lap and disperses heat generated by the laptop using dual fans 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 ergonomic tilt makes typing easy while the soft neoprene material provides cushioned comfort on your lap the open design allows fans