Connectors: USB Type A Male - DB25 Female; Support: Windows 98/SE/ME/2000/XP/Vista. EASY TO USE: Simply plug it into the USB port of PC and the traditional LPT port plug; Connects devices with a parallel port (25-pol. Female connector) directly to the USB port. FEATURE: The USB to Parallel Printer Converter with bi-directional data transfer easily supports USB-to-parallel and parallel-to-USB communication.