Portable Docking Station Turns Your Devices USB-C or Thunderbolt 3 Port into a Workstation. This USB-C dock with PD Charging expands the potential of your tablet, laptop, Chromebook, MacBook, smartphone or PC's USB-C or Thunderbolt 3 port. It's ideal for transmitting 4K video and digital audio to a large display, adding a thumb drive and other USB peripherals, powering and charging a PD Charging-compliant mobile device, connecting to a Gigabit Ethernet network and a lot more all at the same time. Supports USB-C DisplayPort Alternate Mode for Converting Audio/Video Signals by connecting the built-in USB-C cable to a source device that supports USB DisplayPort Alt Mode, you can output 4K video and digital audio to an HDMI monitor, television or projector without installing special software drivers.