AmanStino Laptop Cooling Pad with 5 Fans For 13 - 15.6 Inch Laptop Notebook Tablet Strong, durable but lightweight construction with Metal mesh front,Weight: About 42 oz Fan Select Buttons - 1 Big Fan, 4 Small Fans or Both at the Same Time Built-in powerful fan for easy thermal heat dissipation 2 USB ports,very quiet fans Hydro Bearing ensure long lifetime