Features: 1. Direct Plug Multi-Functional Expansion Of Tungsten 2. A Of Interfaces, Office And Entertainment Both Miss 3. Full-Featured Type-C Interface, Data Transmission + PD Charging + Video Output, The Computer Directly To Type-C Port, The Transmission Speed And Computer Interface Consistent 4. Network Interface, More Stable Transmission 5. 4K High-Definition Video Output, Business Meetings / Family Entertainment Description: 1. Name: for Surface Pro X/8 Docking Station 2. Rj45 Network Port: Adaptive 10m/100m Network 3. Usb-A 3.0: Can Be Used To Connect Usb Mobile Devices At A Rate Of 5GBPS 4. Interface: 4K (3840x2160) 30hz Video Transmission 5. Type-C: Can Be Used For Charging (PD60W/100W), 10GBPS Transmission 6. Microphone: Adaptive Microphone, Audio 7. SD/TF Card Slot: Support Dual Card Simultaneous Reading, Maximum Support 2TB size: 10.8 x 1.05 x 3.2cm Material: ABS colour: black Package Contents: 1 x Docking Station (With Internet Port) 1 x Multi-Language Manual (English, Spanish, German, Italian, Japanese, Chinese, French) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.