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. Multiple Functions To Meet Expansion Needs 5. SD/TF Card Reader, Max Supports 2T Description: 1. Product Name: Surface Pro X8 Docking Station 2. Usb-A 3.0: Can Be Used To Connect Usb Mobile Devices, The Rate Is 5Gbps 3. Interface: 4K (3840 x 2160) 30hz Video Transmission 4. Type-C: Can Be Used For Charging (PD60W/100W), 10Gbps Transmission 5. Audio Microphone Port: Adaptive Microphone, Audio 6. Sd/Tf Card Slot: Support Simultaneous Reading Of Dual Cards, Maximum Support 2TB 7. Size: 10.8 x 1.05 x 3.2cm 8. Material: ABS 9.Color: Black Package Contents: 1 x Expansion Dock (Without Network Port) 1 x Multilingual 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.