?Perfect Designs?Special bevel-side and compact design of this Surface Pro 9 Expansion Dock perfectly match your Surface pro 9. Lightweight and convenient for travel or business trips. Also Aluminum case protect the shape and easily release heat. ?1000M Network Adapter?Designed specifically for plug-and-play connection between surface pro 9 and wired networks. Provides a reliable Gigabit Ethernet connection even when wireless connectivity is inconsistent or weak. The Network chip has extremely strong stability. ?Type C PD Fast Charging?USB C Docking Station offers fast charging while transferring data. With 1 Type C PD Fast charging port, using it for your type c devices up to 100W quiclky charge. ?4K HDMI & Fast Data Transfer?This surface pro 9 USB dock Supports high-resolution 4K@60Hz HDMI display from Surface Pro 9 for hassle-free presentations, video conference, and watch movies on-the-go. Built-in TF slots for easy access to files from TF Memory Card. 2*3.1 USB ports are supporting data transmission speed rates of up to 5 Gbps, connect to your smart phone, tablet and other USB devices for data transmission. ?Specifically Designed for Surface Pro 9?Developed for Surface Pro 9, which turns two male USB-C connection into 6 ports (2 x USB 3.1 port, 1 X PD Charging port, 1 X 4K@60Hz HDMI port, 1X 1000M Ethernet LAN, 1X TF card slot ). Transfer photos, videos, data and charging simultaneously, and connect a keyboard or thumb drive.