The mini docking station transforms your device's USB-C or Thunderbolt 3 port into a multi-port workstation. The USB 3.1 to HDMI adapter expands the capabilities of your tablets, laptops, Chromebooks, MacBooks, smartphones, or the USB-C or Thunderbolt 3 port of your PC. It is ideal for transmitting digital audio and 4K video to a large screen, adding a USB flash drive or other USB peripherals, powering and charging a PD-compatible mobile device, and simultaneously connecting to a Gigabit Ethernet network. It supports the alternative USB DisplayPort mode for transmitting HDMI audio/video signals and USB signals. With a source device that also supports USB DisplayPort Alt Mode, you can extend videos from your primary display to another display, duplicate the same video on both displays, or set the second display as the primary display. It transmits crystal-clear 4K HDMI video.