javontec usb c to ethernet adapter, usb 3.1 type-c to 3 port usb 3.0 hub with rj45 10/100/1000 gigabit ethernet lan wired network converter compatible macbook, surface go, hp spectre and more javontec javontec aluminium usb-c to 3-port usb3.0 hub + rj45 gigabit ethernet adapter is a perfect device for both on the go and desktop application. the 2-in-one device works as a 3-port superspeed usb 3.0 hub and a gigabit ethernet adapter. it gives you access to a gigabit ethernet port for connecting your laptop/ultrabook/tablet to a wired ethernet network and also add 3 spare usb 3.0 ports, which can be used to connect hdd, keyboard/mouse, printers, phones, tablets etc. the device is bus powered (host powered) with no external power supply required to run it.