Adds HDMI, USB A, USB C PD charging and Gigabit Ethernet. Connect to USB C or Thunderbolt 3. Transmits video signals from sources supporting USB C DisplayPort Alt Mode. Delivers UHD picture quality at resolutions up to 4K x 2K @ 30 HZ. Connects to a wired Gigabit Ethernet when Wi Fi is weak or unavailable. Power Delivery port provides 20 V 3A (60W) power output for charging connected device. USB A supports USB 3.1 Gen 1 speeds up to 5 Gbps for fast data transfer.