Connects any serial device with a DB9 female port to your computer USB port. Supports all RS232 serial devices such as printers, modems, barcode scanner, PDA, and digital cameras. It provides speed of up to 12Mbps and full duplex capabilities. Works with Windows 98, 98SE, ME, 2000, XP, Vista, 7, 8. (REV 5; Connectors: USB A Male to DTE DB9 Male; Length: 4.5ft)