USB C to Dual HDMI Adapter: This USB C 1 in 2 out HDMI adapter supports expansion and mirroring modes. Use this USB C to Dual HDMI port Splitter to expand one monitor to multiple monitors, allowing you to work on different projects on different monitors. Ideal USB C accessory for photography, programming, data analysis, home theatre, etc. (Note: Due to the limitation of Mac OS, it only supports mirroring mode and cannot expand two different screens on the monitor) | Crystal Clear 4K High Definition: The USB C to HDMI Splitter has a resolution of up to 4K@60Hz resolution, up to 4K@30Hz using both HDMI ports simultaneously, and is backwards compatible with 2K@60Hz, 1080P@60Hz. vivid images will bring you more stunning screen colours and contrasts when you are working and playing. you with more stunning screen colours and contrast. (Important Note: Video output will only be 4K if your device supports 4K resolution, make sure to use HDMI2.0 or better cable) | Wide Compatibility: Designed for C-type ports with video output capability (DP Alt mode). This HDMI splitter works perfectly with Thunderbolt 3/4 compatible devices such as MacBook,MacBook Pro,MacBook Air,iPad Pro,Dell XPS13/15,Lenovo Yoga,Samsung Galaxy S9/S9+ etc.(Note: Not suitable for all USB C port devices, e.g. this adapter can't be used with HP Pavilion/Lenovo IdeaPad, you need to make sure your source device supports video transmission or DP Alt mode) | The Best Material Structure Design: the product cable adopts multi-layer signal shielding structure, effectively shielding electromagnetic interference, transmission is smoother, integrated aluminium alloy shell can give full play to the advantages of heat dissipation, so that you no longer worry about the problems brought about by heat, gold-plated ports to reduce the loss of signal transmission, the transmission of more stable signals, and achieve lossless transmission. | Important：①Please note whether your USB C source device port supports video transmission or DP Alt mode (you can usually see the DP logo next to the port) ②It is not bi-directional, and only supports uni-directional USB C source signals to HDMI displays ③Make sure that your output device and display device support 4K resolution and connect the adapter with an HDMI 2.0 cable, otherwise it will affect the display effect. (If you are not sure, please contact us, we are happy to help you!) | Hassle-Free Installation: Easy to install, no need to connect to external power supply and install any driver, plug and play. Please connect the monitor port (HDMI port) before connecting the laptop (USB C port), so that the transmission signal is more stable. If you have any questions about the product, please feel free to contact us, we provide you with 24 months product warranty and professional technical support.