Ergonomic Comfort Notebook Cooler - Height adjustable setting allow you use your workstation at a more comfortable view;Ultra-Quiet Fans - Help keep your laptop cooler and reduce system crashes in a noise-free environment;Slim & Portable Computer Cooling Pad - Compact size and light weight allowing you to carry and cool your laptop wherever you go;Easy to Use - USB powered, Plug and play, Compatible with all laptops sizing between 11 to 17, such as Apple Macbook Pro Air, HP, Alienware, Dell, Lenovo, ASUS and more;Laptop Cooling Fan with Extra 1 USB port and Power Switch Design - One extra port for connecting one more USB device