UGREEN USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter with FTDI Chipset for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 and Above (3ft) HOW IT WORKS: Ugreen USB to RS232 DB9 Serial Adapter is designed for connecting to serial devices such as DB9 equipped serial modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, barcode scanners, PDAs etc through USB port with 1Mbps data transfer rate; CONNECTORS: With standard USB Type A Male to standard 9-pin DB9 RS-232 serial connector; CHIPSET & SUPPORTED OS: FTDI-FT232RL Chipset for widest possible stablity and compatibility with Windows (10/8.1/8/7XP), Mac, Linux, etc. Support almost all serial COM port. CONDUCTOR & SHIELDING: Tinned Copper Conductor(Wire guage#24#28) and triple shielding ensure the best data transfer rate. Powered by USB port, no external power adapter required. Simple installation, plug & play after one time driver installation; LIFETIME WARRANTY: USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable is backed with lifetime warranty and customer service support.