UCEC 1x Type A USB2.0 Female to Ethernet RJ45 Male Plug Adapter Connector
Package Content : 3x USB to RJ45 Adapter
Size : 5.2x1.5 x1 cm / 2" x 0.6" x 0.4"(L*W*T)
Weight : 8g
One end has the USB A Female end similar to the socket on PC for your USB device, the other end is the RJ45 Male Plug.
It can be used to connect a USB ADSL modem to a router with an RJ45 socket,
but please note that this will not provide the necessary power to the modem as
the PC does. The modem must have a separate power source.