- DON’T CONNECT THIS PRODUCT TO YOUR LAPTOP OR COMPUTER! * PAY ATTENTION TO THE LIMITATION: This product DOES NOT support video output from HDMI port to an external display. That means you canu2019t output video from your laptop or other devices with standard HDMI port to a display or monitor with any type of video input ports. You can ONLY output video from USB-C 3.1 or thunderbolt 3 port on your device to an external display with this product. In order to do that, a full-featured (USB 3.1 Gen 2) USB-C cable or thunderbolt 3 cable must be used and please locate a USB-C 3.1 or Thunderbolt 3 port on your device that supports video output since not all USB-C ports are able to carry a video signal. Support resolutions up to 4K and provides a plug-and-play connection to high-definition displays or monitors. Constructed with double-braided exterior and aluminum alloy casing to ensure that it doesnu2019t wear out over time. Offer great portability and convenience and compact eno