Easy Operation. Plug & Play, No Driver Required. 8 Intelligent Expansion Ports. Enable to connect U disk, hard disk, keyboard & mouse, SD, TF, RJ45, HDTV, etc. USB 3.0 Port. Equips USB 3.0 port to deliver the data transfer rate up to 5Gbps. 4K HDTV Output. Delivers more clear video with 4K resolution. High Quality Material. Made of high quality aluminum alloy, with anodization process, to ensure its durability and fingerprint resistance, and provide better heat dissipation effects. Portability. Small size makes it more easy and convenient to carry. Specification: Item: Laptop Docking Station Color: Grey Ports: HDTV: 4K2K (38402160), downwards compatible with 1080P, 720P, etc. USB*2: High speed, power supply up to 4.5W. USB C Female Port 1: PD, 20V@3A, supports Max.87W power adapter (input) USB C Female Port 2: High speed, power supply up to 4.5W. USB C Male: Make sure that the host USB-C port on your device complies with the USB 3.0/3.1. RJ45: Max. Ethernet Speed: 1000mbps SD/TF