USB C Docking Station(7-in-1) - docking station easily convert your laptop's USB-C/Type C Port into 7 Ports:Include 2 (4K@30Hz),100W USB C Power Delivery port,Gigabit Ethernet(1Gbps),2 USB 3.0, Micro-SD card . This laptop docking station is a great gadgets that makes your work more effective.4K HD Visual Experience - There are 2 video output ports, the resolution is up to 4K/30Hz, you can enjoy high-definition visual feast without fear of blurring. Note:Windows system extends one screen to support 4K@30Hz, extends two screens to support only 1920x1080P.For OS, support mirror mode and expansion mode.(including the display of the laptop).For OS, it does not support extended Mode, so you can only get 2 different contents between your laptop and the whole video outputsHigh Speed Transmission - It combined with five data transmission ports and 104M/S Micro-SD card ports, which supports simultaneous read and write operations, allowing you to orderly operate data transmission when performing tedious work, two USBA 3.0 ports have a transmission rate of up to 5GbpsPass-Through Charging - Supports up to 85W pass-through charging so you can power up your laptop while accessing the hub's other functions.Fast Gigabit Ethernet - The gigabit Ethernet port in the 7-in-1 USB-C dock has a transmission rate of up to 1000Mbps and is compatible with the existing 10/100 Ethernet standard. It provides a perfect migration path, allowing you to handle tedious tasks without worrying about network restrictionsUSB C Hub - Provides a stable connection and increases the productivity of your device by expanding the female USB C port to multiple possibilities of connectivity.Extensive compatibility meets every need of almost all USB C devices.How to connect Extend Mode for Windows System? Right-click desktop select display Settings -up Settings screen select display select multi-screen display expand the desktopHow to set Dual display on ? "Setting" "Display" click the "mirror display" box to switch to Extend mode then you can drag a window of website/movie to the side of your desktop screen until it disappears on your desktop screen and shows up on the external monitor screen.(Important Note:On devices, CAN NOT extend two different screen, ONLY Mirror Screens due to OS limitation)1000M Ethernet & 100W PD Charging - Fast and Stable Ethernet:no spotty wireless signal any more! Power Delivery charging:keep all your devices on power all the timeColour:BlackMaterial:PlasticPackage Contents:1 * Multiport Docking StationOnly 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.