Specifications: Item Name:Surface Pro HUB Date Transfer Rate:Upto 5Gbps Color:Silver/Black - 4K HDMI-compatible Output: Support max 3840 x 2160/30Hz resolution - 2 Port USB 3.0: Up to 5Gbps data transmission rate - SD/TF Card Slots: Support SD/TF cards reading at the same time, up to 100M/s Compatible: Only compatible with Microsoft Surface Pro 4/5/6, not suitable for any other models Notice: There are 2 models.Please choose right one. Silver and Black only for surface pro 4/5/6 This USB Hub is not for charging.It is for data reader. Package: 1 x USB HUB Design for Surface Pro pro 4/pro 5/pro 6: Surface pro Hub Turn Mini DP and USB port into into 5 ports (HDMI 4K/60Hz, 2x USB 3.0 port, SD and MicroSD Card Reader) x Note 1: surface pro dock won't fit your surface very well if you use an protective case on it. Highly compatible for your Microsoft Surface pro 4 pro 5 pro 6 demands. x Note 2: Incompatible with Surface Go Surface Pro 4K HDMI Adapter: Surface pro docking station supports the video resolution 1080P 60Hz, up to 4K 60Hz and freely show your laptop's high-resolution display on most HDTV, monitor or projector with an HDMI port, bringing you better viewing experience. Surface Pro 4/5/6 USB Hub Perfect to stream a full HD movie on your HDTV; extend a 3D video game on your monitors or show your PPT through the projectors for office meetings. [4K HDMI Video Adapter]Surface Pro 4/5/6 USB Hub Extends your screen with the HDMI port and directly stream 4K UHD or Full HD 1080p video to HDTV, monitors, or projectors. Support video resolution up to 4K/2K 30Hz output. Perfect to stream a full HD movie on your HDTV; extend a 3D video game on your monitors or show your PPT through the projectors for office meetings. TF and SD Card Reader and Super Speed 5Gbps USB Surface hub: Surface Pro hub is Ultra fast with speeds of 5Gbps for 2x USB 3.0 Ports, high speed up to 5Gbps, transfer faster, saving plenty of your time and enjoy data transmission in seconds. Surface Pro docking station TF and SD Card Reader on your Surface Pro.Compatible with SDXC, SDHC, SD, MMC, RS-MMC, TF, Micro SDXC, Micro SD, Micro SDHC, Mini SD, UHS-I cards ️24-Month Warranty and Buy With Confidence: 5 in 1 Surface Pro Hub Docking Sleek finish perfectly blend in with Surface Pro. Light-weight is convenient for travel or business trip, Surface pro hub meets your most of needs.Compatible with your Microsoft Surface Pro 4/Pro 5/Pro 6. x Note: Not fit surface pro 3 and surface pro 7,Surface laptop and surface Book. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.