Adjustable stand is great for computer monitors, laptops, TVs, speakers, printers and more. The 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. Plug-and-play USB hub connects directly to your computer so you can conveniently connect a variety of devices including mice, keyboards, video game consoles, external hard drives, smart phones (adapters not included), digital cameras and flash drives. Compatible with Windows 2000 SP4, XP SP3, 2003, Vista, 7, 8, 10 and Mac OS 10.5 or above. Easily adjust height settings from 2.76" to 3.94" to get your monitor to a comfortable height for viewing. Generous 18.4" space between legs to store laptop, keyboard or other tools. Quick and easy assembly. Holds up to 33 lbs.