***** **********Best Quality Guranteed. *****DUAL INPUT LAPTOP DOCKING STATION for a computer with two USB-C or Thunderbolt 3 ports; Charge a Thunderbolt 3 notebook while in use up to 80W; Connect a wireless mouse or keyboard and add a wired Ethernet network; Transfer files from an SD memory card or a USB flash drive; USB-A 3.1 Gen 2 port supports a 10Gbps data transfer rate and 2.1A watt charging; Expand your workspace with this laptop dock instead of purchasing a separate USB C dongle for each function*****DUAL 4K HDMI VIDEO SUPPORT over two USB-C ports with this laptop dock with a USB Type C hub; Mac dual video docking station supports two 4K HDMI displays unlike some USB C docking stations for multiple devices*****DYNAMIC BANDWIDTH CONFIGURATION with a 4K/30Hz or 4K/60Hz switch to allocate the USB-C bandwidth; Select the maximum 4K 60Hz video resolution for dual displays with a limited data transfer speed or use a lower video resolution to enjoy Gigabit Ethernet and USB 3.1 Gen 2