Height-adjustable stand is great for computer monitors, laptops, TVs, speakers, printers and more. Plug-and-play 4-Port USB hub allows you to connect three USB 2.0 Devices and one USB 3.0 Device to your computer keeping everything you need right at your finger tips. Conveniently connect or charge a variety of devices including mice, keyboards, video game consoles, external hard drives, smart phones (adapters not included), digital cameras and flash drives. Easily adjust height settings from 2.76 in. to 3.94 in. to get your monitor to a comfortable height for viewing. Quick and easy assembly. Anti-slip rubber feet protect work surface. Holds up to 33 lbs.