Designed for Surface Pro 11/10/9/X - Surface Pro 11 adapter designed for Surface Pro 11/surface Pro 10/Surface Pro 9/Surface Pro X hub, Multi-function ports: USB-C Thunderbolt 4 (8K@30Hz video display + 40 Gbps data transfer + 100W PD charging) 1x4K@30Hz HDMI port, 2 USB 3.0 ports, 1 SD card slot, 1 TF (Micro SD) card slot, 1 audio port*.3.55 mm. 6 ports can be driven and used at the same time. Can be used to drive projection, mobile phone, USB data transfer, card reader, charging and other devices (mouse, keyboard, audio, etc.) Triple Screen Expansion - Surface pro 11 usb hub can connect two 4K/8K monitors + Surface devices at the same time, seamlessly connect to TV/projector/meeting screen, etc. Triple display (HDMI + USB-C Thunerbolt 4 + Surface Pro 9/10/11 /X). And supports smart split screen: mirror mode (simultaneous projection of conference presentations), extension mode (multi-window cross-screen collaboration, the content and layout of each screen can be adjusted according t