Multiport Adapter: USB-C3.1 latest interface, built in High performance digital chip processing. 4-in-1 USB Type-C hub includes 1 Type C PD charging port, 2 USB 3.0 Ports, 1 HDMI video output with 4K resolution. Supports TYPE-C interface computer or mobile phone to read audio and video, text file data on the same screen. Ultra HD 4K Output: Mirror or extend your screen with the HDMI port of USB C adapter, and directly stream 4K UHD or full HD 1080P video to HDTV, monitors, or projectors for a cinema-like visual feast. You can use the adapter to mirror and extend the image of MAC book or Chrome book etc.standard USB-C interface host to achieve the same screen effect of HDMI. Reliable and Super-Speed Data Syncing: 3.0 USB ports support transmission speed rates of up to 5 Gbps. Extensive Compatibility: Compatible with the latest laptops and smart devices with USB C port: Mac book 12”/ Pro, Mate Book X, mi air 12.5/13.3, Google chrome-book 2016 and etc. Simple and Practical: The body of USB C Hub is made of precision milled aircraft grade aluminum and so extra reliable and durable. it always helps you connect the laptop with your favorite USB devices simply and finish your task efficiently. Use it at the office as a high-efficiency tool, or take it with you for a trip, it always brings the conveniency and efficiency to you - just one hub instead of all the other extra messy cables.