FYD Adjustable Laptop Stand Portable Notebook Cooling Pad Cooler + 3 Fan USB 6 Level adjustable screen height, tilt and swivel for optimal viewing and ergonomic comfort. Extremely heavy-duty construction of the cooling pad to afford any weight or pressure put-on. Power source supported easily by the plug-and-play USB connection as a self-power mode. Convenient,reliable and comfortable to carry. No need for any installation. Compatible with any notebook computers. Slim and smart design of the cooling pad system with large, high-performance and extra quiet 3 fans built-in which absolutely helps to dissipate the heat-air away from underneath the notebook computer for cooling down the overall temperature of your system.