Onten USB C to dual HDMI dual monitors display.single HDMI 4K@60HZ , dual hdmi 4K@30HZ USB C Dock station for windows and mac os .For Windows, it can be mirrored and expanded, and two different screens can be expanded.For Mac OS, it can also be mirrored and expanded, but the two expanded screens are the same Mirror and Extend Modes It supports mirror mode on both Windows and macOS computers. It supports dual extend mode A-B-C (MST) on Windows PC to display different images on two external monitors. It supports single extend mode A-B-B (not MST) on macOS to duplicate the same image on two external monitors. How to set up multiple screens on Windows? STEP 1: select Start > Settings > System > Display. Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Detect. STEP 2: in the Multiple displays section, select an option from the list to determine how your desktop will display across your screens. STEP 3: once you've selected what you see on your displays, select Keep changes. STEP 4: you can change the resolution of your displays. However, we suggest using the recommended resolution to get the most out of your displays.

·?What You Will Get?Package included: 1* USB-C Hdmi Adapter, 1* User Manual,12-month warranty and lifetime technical support. Feel free to contact us for any issue.Our professional customer service team will always be here and ready to solve problems for you within 24 hours. ·?Plug and Play?: USB C HDMI Adapter offers an easy setup by natively working on device that supports DP Alt Mode over USB Type-C, plug and play, No need any driver.no external power cords are necessary. Please you may need to change the settings of "the default audio output device" on system preference to deliver sound before you use. ·?4K Vivid 3D Effect Video Sync?:This USB C to dual HDMI adapter, allows your computer to extend dual HDMI screens at the same time. When only one HDMI port is used, the resolution can be up to 4K@60HZ(3840*2160@60Hz), and when two HDMI ports are used simultaneously, the resolution can be up to 4K@30HZ(3840*2160@30Hz) .(Important: ONLY when your devices support 4K resolution, the video output will be 4K,please make sure to use a HDMI 2.0 cable or better.). ·?Wide Compatibility?:Compatible with Mac OS, Windows, Linux, Android system with USB-C port which supports "DisplayPort Alternate Mode" (not all USB-C ports/systems support Alternate Mode functionality). Compatible with MacBook Pro 2016-2020, MacBook Air 2018-2020, iPad Pro 2018 2020, M1, M2. ?Note: Mac OS Support Display SST (A-A-A or A-B-B) . Windows OS Support Display MST (A-B-C / A-B-B /A-A-A). ·?USB C to Dual HDMI adapter?This dual hdmi adapter can mirror or expand high-resolution graphics images to dual 4K resolution of HDTV, monitors or projectors.The laptop screen can be extended to two monitors.Boost your work productivity and efficiency. Allows you to do different project on differnet monitors. It is an ideal usb c accessories for photography,programmer, data analysis, etc.