This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Docking Station for Microsoft Surface Pro 3 Comes with an Ethernet port, Mini DisplayPort and five USB ports three USB 3 and two USB 2.0 ports you can attach your HD monitor full size keyboard, printer The mini DisplayPort connection delivers high-definition video resolution of up to 3840 x 2600 DPI Docking Station includes five USB ports three USB 3.0 two USB 2.0 ports