Connects any serial device with a D-B9 female port to your computer's USB port. Supports all RS-232 serial devices such as printers, modems, PDA, digital cameras and provides speed of up to 500Kbps. Works with Windows 98, 98SE, ME, 2000, XP systems and Mac with OS 9.1 or higher. (Connectors: USB Type-A Male to DTE DB-9 Male; Length: 6ft)