bFeatures /b ul liAdd a serial port with this USB C to serial adapter with COM port retention; liUSB to Straight-Through RS232 DB9 Serial Adapter with high-speed 921.6Kbps Baud Rate; liCompatible with Windows, macOS, and Linux; liSupports remote wake up and power management control Converts a USB-C port on your laptop or computer into a RS232 DB9 serial port, giving you a cost-saving way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment; liThe USB-C to serial adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be re-assigned to the adapter serial port.; /ul.