The UGREEN 50737 (model CM199) is a Space Gray USB-C to RJ45 Gigabit Ethernet adapter. It adds a wired network connection to a device with a USB-C port, useful when you want to connect through Ethernet.
It supports Ethernet rates of 10, 100 and 1000 Mbps. The USB-C interface follows USB 3.0 and supports data transfer up to 5 Gbps. The aluminum housing measures 60 × 23.8 × 15.8 mm, and the adapter connects through a 10 cm cable.
The manual lists Mac OS, Windows and Linux support. With a compatible host device and wired network, it can be used for streaming, online gaming, data transfer and video conferencing.