laptop cooling pad with HUB 1.extremely heavy-duty construction 2.power source support 3.convenient, reliable and comportable laptop cooling pad with HUBbuilt-in 2-port USB2.0 hub ,material:ABS, color:black,silver1.slim and smart design of the cooling pad system with large, high-performance and extra quiet 2fans built-in which absolutely helpe to dissipate the heat -air away from underneath the ...