Belkin USB-C Gigabit Ethernet Adapter Review for 12 inch MacBook - YouTube
15" MBP A1707 unboxing with a Belkin F2CU040 USB-C to Ethernet adaptor - YouTube
Amazon.co.jp: Belkin USB C Hub, 6-in-1 MultiPort Adapter Dock with 4K HDMI, USB-C 100 W PD Pass-Through Charging, 2 x USB A, Gigabit Ethernet Ports and SD Slot for MacBook Pro, Air,