Microsoft Surface Dock for Surface Pro 3, Surface Pro 4, and Surface Book with 4 USB Ports and Ethernet and USB 3.0 Hardware Interface (Black)

• 2x Mini Display Ports, 1x Gigabit Ethernet Port
• 4 USB 3.0 ports, 1x Audio out port
• Magnetic Surface Connect Cable
• High-Speed Data Transfering
• Compatible With Surface Pro 3, Surface Pro 4 and Surface Book

Instantly transform your Surface into a desktop PC. Plug in the Surface
Connect cable to charge your device and access external monitors, keyboard,
mouse, and more. Find the perfect viewing angle, or position your device to
take advantage of the robust pen capabilities. Compatible with the Surface Pro
3, 4 and Surface Book.