Allows any PC to connect serial devices and programs that communicate through COM ports 12-inch cable with standard USB Type A Male to standard 9-pin DB9 RS-232 serial connector PL-2303 Chipset for widest possible compatibility with Windows 10 And older, Mac, Linux, and other platforms Programmable baud rate from 75bps to 12Mbps. Typical speeds up to 230Kbps Plug and play creation of a COM port. Powered by USB - no external power needed