lug and Play, No driver or external power adapter need. Expand your usb c port to HDMI, VGA, USB 3.0 port and USB-C Charging Port. Enable you Mirror or Extend your Phone to a big Screen and Stream 4K UHD or 1080p images to HDTV, Monitors, Projectors. Perfect for Gaming, Working and Entertaining.?Equipped with HDMI Port support Max 4K UHD 40962160@30Hz High-definition picture quality.The VGA Display up to FHD 1080P@60Hz. When two ports Work Simultaneously, the maximum resolution of the two reach to 1080P@60Hz. Please Note:Not support Two monitor to display different content separately.?Wide Compatibility, Compatible with Type-C equipped devices, such as Nintendo Switch, MacBook Pro 2018/2017/2016, MacBook Air 2018, iMac 2018, iPad Pro 2018, Chromebook Pixel, Dell XPS 13/15 ect. Also support Samsung Galaxy S9 S9+/Huawei Mate 10 P20/Microsoft 950XL.?The USB 3.0 port provide high speed Data Transfer speed up to 5 Gbps,easy to transfer a HD movies in a short time.It ebables you connect more external USB devices like keyboard, mouse,Thumb Drive and other USB A 2.0/3.0 devices to your laptop. Also support 87W PD charging and pass-through charge for USB C Laptop,Smartphone and other usb c devices.?Compatible with a Type-C equipped devices(Thunderbolt 3 compatible) with DP-Alt mode,such as 2015/16/17/18 Macbook, MacBook Pro 2018/2017/2016, MacBook Air 2018,iMac 2018, iPad Pro 2018,Chromebook Pixel,Dell XPS 13/15/9360,Huawei Matebook X ect. Also support Samsung S8/S9/S10 Note8/9/Huawei P20/P10/EMUI/Nintendo Switch."all Products From Us Have Undergone Strict Quality Checks.if There Is Any Quality Problem Or You Are Not Satisfied With The Productcontact Us.We will reply within 24 hours.we Will Give You The Best Solution."