TRENDnet USB to 10M/100M BASE-T Fast Ethernet Converter (TU-ET100C). Male USB-A to 1 x RJ-45 copper Ethernet socket.
TU-ET100C is a compact 10/100Mbps network adapter for the USB interface. The TU-ET100C features plug-n-play installation and it is compatible with Windows OSs. The TU-ET100C draws power directly from the PC and is perfect for laptop and desktop users.
See https://www.trendnet.com/products/product-detail?prod=135_TU-ET100C for more information.