USB2.0 stands for Universal Serial Bus. USB2.0 replaces all the different kinds of serial and parallel port connectors with one standardized plug and port combination. With USB-compliant PCs and peripherals, you just plug them in and turn them on. USB2.0 makes the whole process automatic. It's like adding instant new capabilities to your PC. USB2.0 Compatible with USB1.1 & 1.0 Version.