Adds 4K HDMI, USB-A and USB-C PD ports to the USB-C or Thunderbolt 3 port on your tablet, laptop, notebook or other compaatible device. Plug and play with no software or drivers required. USB-C port supports both data transfer and USB PD charging with power input up to 20 V 3A. Supports 4K x 2K Ultra High Difiniton resolutions up to 3840 x 2160 (30Hz). Includes U444-06N-H4U-C unit and owner's manual. Fast free shipping from the USA. Discount if you buy more than one.