Allytech 3 Feet USB 2.0 to RS-232 DB-9 Converter Adapter Cable Supports Supports Windows 8/7/ Vista/XP/ 2000/ Mac OS X 10.6 and Above- Blue Converts USB to a standard 9-pin serial port Support the RS232 serial interface DB9 USB Extension Cable Length: about 95cm Designed for connecting Serial devices such as DB9 equipped PCs, routers, routers, GPS, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc Supports Windows 8/7/Vista/XP//2000 and Mac OS X 10.6 and above