This KLIM Wind laptop cooling pad features four blue LED fans designed to maximize airflow for laptops up to 19 inches.Four-Fan System: Operates at 1200 RPM to actively reduce laptop component temperatures.Ergonomic Design: Includes adjustable inclination levels for comfortable viewing and typing angles.Additional Ports: Features two USB ports to ensure you do not lose a connection slot while in use. Just plug it with a USB and get it to work (not included) although very easy to find.