15 Adjustable Notebook Laptop Cooling Cooler Pad Stand With 3 Fan 4 port USB Hub Wide-screen design of surface, which improves the efficiency fo the cooling function. 6 level adjustable screen hight, tilt and swivel for optimal viewing and ergonomic comfort. Work on any surface -- tables, your laps, even on your bed. 4 USB 2.0 ports. Reduce wrist, back and neck stress from long notebook / laptop usage