LotFancy 12R-2697-S Angle Adjustable Cooling Pad for 11-17'' Laptop, Cooler with Five Quiet Fans and LED Lights Ergonomic comfort six level height adjustable setting allow you use your workstation at the most comfortable view 5 ultra quiet fans help keep your laptop cooler fast and reduce system crashes in a noise free environment Easy to use USB powered, plug and play, compatible with all laptops Extra 1 USB port 2 USB ports design provide one extra port for connecting one more USB device