This USB to serial converter cable allows any USB ready computer to connect to 9-Way serial RS-232 peripheral devices. USB port adapter which supports all standard serial devices Compatible with USB 2.0 and USB 1.1 devices InchPlug & PlayInch Connectors: 9 Way D Male to USB A Male Powered from USB Bus with no external power supply required Cable length: 1.5m Compatible with Windows 95(OSR2.1)98/ME/2000/2003 Server/XP/Vista/7 and Mac OS 8.6 to 9.2 & 10