Kootek 12''-17'' Laptop Cooler - Cooling Pad Chill Mat with 5 Quiet Fans, 2 USB 2.0 Ports and Adjustable Visual Angle Strong, durable but lightweight construction with metal mesh front. 6 point height adjustable tilt with anti slip design, your laptop can breathe easily with this ultimate notebook cooler. Powered by USB. Duel USB hub allows for connecting more USB devices. Also doubles up as a desktop stand for your laptop. 5 Built-in fans with blue LEDs, you can select 1 fan working, 4 fans working, or all 5 working together, and the independent control is the same for the LEDs. Features - Product dimensions: 380x300x35mm(14.96x11.81x1.38inch) - 4 Fan dimensions: 70x70x15mm(2.76x2.76x0.59inch) - Large fan dimensions: 120x120x25mm(5.9x5.9x0.98inch) - Net weight: 1145g(40.39 OZ) - Speed: 1000 +/- 10% RPM; 2000 +/- 10% RPM