<ul> <li>Designed for Surface Pro: Designed for Surface Pro 6/5/4 (For Surface pro 7 not supported), expands USB and Mini Displayport to one 4K HD port, 2 USB 3.0 ports, memory card reader, and TF card reader device</li> <li>4K HD Resolution: Mirror or extend your screen to stream 4K UHD (3840x2160@30Hz), Full HD 1080p, or 3D video directly to your HDTV, monitor, or projector. You can enjoy a movie with your family on a bigger screen, or give a lively presentation at a conference</li> <li>5Gbps High Speed: USB 3.0 supports ultra-fast data transfer speeds of up to 5Gbps - 10 times faster than USB 2.0 (480 Mbps), allowing you to transfer HD movies or large files in just seconds. Connect USB peripherals such as flash drives, hard drives, keyboards, mice, with 2 additional USB 3.0 ports. (USB ports do not support simultaneous use of two hard drives)</li> <li>Read memory/TF Card At the Same Time: Built-in memory and TF slot can easily access files from general memory card and TF card; support 2 cards to read at the same time. Data transfer speeds up to 100MB/S, freely share all your interests on social networks</li> <li>Mini & Lightweight: The compact and lightweight design expand the capabilities of your Surface Pro on the go. The smooth aluminum finish blends in perfectly compatible with Surface Pro. The aluminum housing dissipates heat better, and the electronic components and circuits will be directed to the outside faster, making this hub safer to use</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Input: Mini DP+USB-A male</li> <li>Output: USB3.0 female*2, HD*1, memory card*1, TF card*1</li> <li>USB3.0 transfer rate 5Gbps</li> <li>HDMI interface: resolution 4K/30Hz</li> <li>Support memory card: TF/memory card used at the same time</li> </ul>