Exclusive Surface Pro 9/10/11/X Adapter: This 7-in-1 Surface Pro 11 hub specifically design for Microsoft Surface Pro 9/Pro10/Pro11/ProX, transforms your Surface Pro dual USB-C ports into a workstation (USB C + HDMI + 2x USB 3.0 + 3.5mm audio jack + Micro SD/SD card reader), giving you an incredible range of functionsall from a surface pro 11 docking station. Special Note: Not compatible with Surface Go/Surface Pro 3/4/5/6/7/8 and thick protective cases. Dual Monitor & 8K Ultra HD: This surface pro 9 adapter allows you to extend 2 monitors (4K HDMI + 8K USB-C) which improve work efficiency and support expanded display or mirror display. Surface pro 9 docking station HDMI port resolution up to 4K@30Hz, USB-C Thunerbolt 4 port resolution up to 8K@30Hz + 40Gbps data transfer. Ideal for video editors/programmers needing multi-screen workflows