1. This USB-C to HDMI cable is a convenient solution for connecting USB-C devices directly to HDMI monitors, projectors or TVs. Use a USB Type-C HDMI cable to place the device anywhere in the work area as needed to reduce cable clutter. 2. The USB C HDMI adapter cable is suitable for Mini DP / Thunderbolt 3.0 Alt mode USB-C port computers. Devices that do not support the DP alt mode protocol do not support it. Check your user manual or confirm with us for pre-sale advice. 3. Suitable for Samsung Galaxy S10/Note9/S9 support Dex mode, mobile phone system version requires Android 9.0 or higher. 4. The USB Type C to HDMI cable supports video resolution 3840x2160 @ 30Hz (4K * 2K) and full HD 1080P@ 30Hz. The image quality of a 4K @ 30Hz monitor or TV with UHD resolution. The HDMI Thunderbolt 3 cable also carries synchronized video and audio signals, and supports mirror mode or stretch mode. 5. This is a practical USB-C HDMI cable that can provide improved corrosion and maximum durability, and can improve signal transmission. The plug of the Thunderblot hdmi cable works well with the USB C port of your device. 6. Line length: 1.8 (m)