The sleek design of ultra-thin laptops & 2-in-1 convertibles like the Microsoft Surface Pro often eliminate the connectivity ports you need for ultimate productivity. USB 3.0 Universal Docking Station turns a single USB port into six, & when you need to increase productivity, the docking station provides HD video output support. You get four USB 2.0 ports so you have simultaneous access to all the peripherals you need to work efficiently, as well as two USB 3.0 ports that support super-speed data transfer of up to 5 Gbps. Dual Docking Station-Connect two additional screens. For Use With: Laptops, Ultrabooks, Desktops; Operating System Compatibility: Mac OS x 10.6 & Later; Windows XP, Vista, 7, 8; Connector / Port / Interface: USB with Dual DVI / HDMI / VGA Video; Batteries Required: No.