Product Description: USB C to HDMI - Compatible adapter can connect your USB C port laptop or phone (supports DP Alt mode) to an HDMI compatible monitor, TV, or projector, supporting 4K@60Hz Synchronous transmission of audio and video on a large screen. You can also enjoy vivid pictures. Supports both mirroring and scaling modes. (Your host device must support this feature.) If you want to display 4K content, make sure that both your input and output devices support 4K resolution. note Not all USB-C interfaces are compatible, only applicable to USB-C 3.1 or Thunderbolt 3 port interfaces that support DisplayPort Alternative Mode. The C-type toHDMI compatible adapter is only compatible with USB-c 3.1 and Thunderbolt 3 ports. (PS: For devices with USB 3.1 Gen 1 and compatible with Samsung Galaxy S9/S8, synchronization may take longer) Packaging includes 1 * HD cable 1. We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2. If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3. Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4. Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5. Thank you for your purchase, we sincerely wish you happy every day.