Surface Pro 6/ 5/ 4 Docking Station: With 1 USB 3.0 ports+2 USB 2.0 ports+1 4K HDMI port+1 SD ( SDHC / SDXC) &1 Micro SD(TF) card reader slots. Expand your Surface Pro6/ 5 /4 with U-disk, mouse, keyboard, TF/SDHC card, 4k monitor&HDTV, project all in one Microsoft Surface hub adapter with HDMI. Surface Pro HDMI Adapter: This surface docking station supports the video resolution 1080P @30Hz and freely show your laptop's high-resolution display on most HDTV, monitor or projector with an HDMI port, bringing you better viewing experience. Fast Data Sync:1 ports USB 2.0 with high speed up to 480Mbps, transfer faster, saving plenty of your time and enjoy data transmission in seconds. This surface docking station works with U disk, hard drive disk, mouse, keyboard and other USB devices. Durable&Light Weight & Portable: Design with Aluminum alloy case, protect inside part well. UIltra slim compact size and light weight that you can take it easily into a pocket, laptop case. Perfect Combination: Special Design Surface Pro hub for Microsoft Surface Pro 4 Pro 5 Pro 6, Easy operation, plug and play, no driver, no external power required, just plug and enjoy your large screen. Extremely compact design makes it easily portable and saves desktop space. Note: It' won't fit your Surface very well if you have a protective case on it.