Extends your devices' USB-C port to include 1Gbps RJ45 Ethernet port,4K@30Hz HDMI output,100W PD Charging port,3.5mm Audio Jack,SD/TF Card Slot,2 USB-A ports and USB-C Data port.Allows you to keep a sleek workspace. 1000Mbps Ethernet port ensures a more stable and faster wired network connection.Worry-free about WIFI's instability when you are on a video conference. USB C PD port support fast charging laptops/mobile phones/tablets, power max up to 100W. Mirror or extend your screen with 4K HDMI output and directly stream 4K@30Hz UHD or Full HD 1080P@60Hz video to HDTV,monitors,or projectors.Enable you share stunning movies/games on a bigger screen!Ideal for school,office,home,and game. With 1 USB-C 3.0 ports and 2 USB-A 3.0 data port, transmission up to 5Gbps, transfer 5G file only 10s, backward compatible with USB 2.0 devices. After connecting to the computer, other devices can be charged. Built-in SD and micro SD slots, supports reading 2 cards at the same time. Plug & Play - No additional driver required; supports almost all Type-C devices (USB-C) and Thunderbolt 3 like MacBook Pro, MacBook Air, iPad Pro, Chromebook etc. Supported operating systems: Windows, Mac OS, Linux, Chromebook OS.