???Special Designed for Surface Pro 4/5/6?We designed the dock station For Microsoft Surface Pro 4/5/6 to be slim and compact, have 6 ports meet your all need. The Surface Pro hub equips with 2 USB 3.0 ports (for Transfer Data), Gigabit RJ45 port, 4K capable HDMI ports, and SD/TF card slot. ???Blazing-Fast and Stable Networking?Surface Pro LAN adapter offer full 10/100/1000 Mbps over RJ45 Ethernet port, backward compatible with 10Mbps RJ45 LAN, you can download movies quicker, transfer files faster, reduce latency. faster and more reliable than the most wireless connection. ???Hi-Res 4K HDMI Adapter?4K HDMI adapter mirrors your Surface Pro display to HDMI-enabled devices with the resolution up to 4K@30Hz. Rytaki Surface Pro dock with a built-in HDMI adapter interface makes a better viewing experience, you can easily expand your screen and enjoy the experience crystal clear 4K video on big monitors. ???Plug and Play & Hot Swapping?No driver installation is required. 2 ports USB 3.0 with high speed up to 5Gbps, transfer data 10 times faster than USB 2.0. This Surface Pro docking station works with U disk, hard drive disk, mouse, keyboard, and other USB devices, support reading and writing the SD and Micro SD cards at the same time. ???Unique and Extra-Compact Design?Special bevel-side and compact design of this USB hub perfectly match your Surface Pro 4/pro 5/pro 6 and wireless design make your desktop more clean and organized. While aluminum case protects the shape and easily releases heat. Light-weight is convenient for travel or business trip. Note: The Surface Pro dock won't fit your surface very well if you use a protective case on it.