For Surface Pro and Surface Pro 2 1 x USB 3.0 port; 3 x USB 2.0 ports 1 x RJ-45 Ethernet (10/100 Mbps); 1 x Mini DisplayPort 1 x 3.5 mm headphone output; 1 x 3.5 mm mic input Power adapter is included Transform your Surface Pro and Surface Pro 2 into a desktop workstation with this black Docking Station from Microsoft. Featuring an Ethernet port, Mini DisplayPort, and four USB ports, this device enables you to connect hardware accessories, establish a wired network connection, and extend your Surface's display to another screen or monitor. The four USB ports also enable you to transfer files to an external drive or charge other USB-compatible devices and accessories. For additional convenience, the Docking Station charges your Surface device while it's docked. Compatible with Surface Pro 1 and 2.