Genuine Microsoft Surface Dock Model 1661. This turns your portable Surface device into a desktop workstation with a single magnetic cable connection. Good working order. Ports & Features: 4x USB 3.0 ports (2 on the front, 2 on the back) 2x Mini DisplayPorts (connect up to two external monitors) 1x Gigabit Ethernet (RJ45) port for wired internet 1x 3.5mm Audio Out port Charges your Surface device while connected. Compatibility: Works with most Surface devices featuring the "Surface Connect" port, including: Surface Pro 3, 4, 5, 6, 7, X Surface Laptop (1, 2, 3) Surface Book (1, 2) Surface Go
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