Features: 1.6 in 1: The For Surface dock combines six ports into one, including 4K High Definition Multimedia Interface output, Gigabit Ethernet (RJ45 jack) ports, dual USB3.0 ports, and memory card/storage card reader ports 2.4K Resolution: Mirror or expand your screen and stream 4K UHD (4K at 30HZ), Full HD 1080p or 3D video directly to HDTV, monitor or projector 3.5Gbps High Speed: USB 3.0 supports ultra fast data transmission up to 5Gbps, 10 times faster than USB 2.0 (480 Mbps), and 2 additional USB 3.0 ports to connect USB peripherals such as U disk, hard disk, keyboard, mouse, etc 4.Storage Card/Memory Card Reader: Built in storage card and memory card slots, you can easily access files in general storage card and Micro storage card. Supports simultaneous reading of 2 cards, providing a complete 10/100/1000 Mbps 5.Compact Design: The special slope and compact design of this USB hub is for Surface Pro 4/5/6. Portability and aluminum housing design can effectively protect and release heat 6.Hot Swap: Plug and play, no need to install drivers, suitable for Win 10, for Win 8, for Win 7, for Win VISTA, for Win XP operating systems specification:Item Type: Docking Station Material: Aluminum Alloy Applicable Model: Suitable for Surface Pro 4/5/6 Interface: 2 x USB3.0, 1 x High Definition Multimedia Interface, 1 x RJ45 Gigabit Ethernet Port, 1 x Storage Card Reader, 1 x Memory Card Reader USB3.0: Up to 5Gbps Data Transfer Rate High Definition Multimedia Interface: 4K High Definition Multimedia Interface, High Definition Video Resolution Can Up 4K at 30HZ and 1080p at 60HZ. RJ45: Gigabit Ethernet Port Supports 10/100/1000Mbps Data Transfer Rate: Up to 5gbps Storage Card/Memory Card Reader: Storage Card/Memory Card High Speed Reading. Support Simultaneous Reading of Storage Card/Memory Card , Up to 100M/s. Insert Dual Cards at the Same Time, You Can Copy Files and Data to Each Other Operating System: For Win 10, for Win 8, for Win 7, for Win Vista, for Win XP PackageList:1 x Docking Station