?What You Get?RayCue USB-C 3.0 to HDMI Dual Display Adapter x 1, User Manual x1 with a hassle-free 1-year warranty and lifetime technical support. Feel free to reach our friendly customer service if you have any questions. ?Wide Compatibility?This USB C HDMI Adapter is compatible with Linux, Windows, Mac OS,IOS,iPad OS & Android systems, with compatible Thunderbolt 3 and DP 1.4 alt mode. Support: MacBook/ MacBook Pro, Dell XPS, Lenovo Yoga, LG, HP, Samsung Galaxy, etc. ?Plug and Play?No external power supply is required for this USB C to HDMI Adapter, just plug and play, and no need for any driver. Note: NOT for all USB-C port laptops, Make sure your laptop or PC supports ” Thunderbolt 3” or “displayport output mode(DP ALT mode). ?4K Vivid 3D Effect Video Sync?The HDMI ports with resolution can be up to 3840x2160@60Hz, when dual HDMI work, HDMI only can be up to 3840x2160@30Hz. The USB c to HDMI adapter is backward compatible with 2K /1080P at 60Hz. With this high-performance USB-C adapter when you play games the screen is without any millisecond delay. (Important: ONLY when your devices support 4K resolution, the video output will be 4K, please make sure to use an HDMI 2.0 cable or better.). ?USB C to Dual HDMI Monitor adapter(2 in 1)?With this USB C to 2 HDMI adapter, you can extend one monitor to two external monitors (supports 2*4K@30Hz), allowing you to do different projects on different monitors, effectively increg your productivity. Attention: As Apple company itself is limited, to Mac OS devices used in extended mode, the image on the two external screens will be the same.