Compatible With All Laptops 2X USB Passthrough Ports Adjustable Viewing Angle 4-Level Height Adjustments Up to 45° Raised View Ergonomic Design Built-in LED Cooling Fan Quiet Operation Metal Mesh Construction Lightweight and Portable Adjustable Footing Non-Abrasive Pads Number of Fans: 1 LED Lights: Blue Fan Speed: 700 RPM USB Output: 2W 14.56 x 10.43 x 1.29 - 2.28 in. 22.4 oz