Add a serial port with this USB (Universal Serial Bus) C to serial with COM port retention. This USB (Universal Serial Bus)-C to serial adapter lets you connect your USB (Universal Serial Bus)-C devices to your legacy serial equipment. It converts a USB (Universal Serial Bus)-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving & convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, & a wide variety of other RS232 peripherals. The RS232 adapter cable is compatible with Windows, mac OS & Linux operating systems, which makes it easy to integrate into mixed environments. A time-saving & convenient USB/serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be re-assigned to the adapter serial port if disconnected & reconnected, or disconnected from one USB (Universal Serial Bus) port & installed in another. The USB (Universal Serial Bus)-C serial cable also supports advanced features like remote wake-up & power management control.