USB is used for many devices nowadays. But why would you want USB 2 to connect your device to the computer. The Speed: USB 2.0 has a raw data rate at 480Mbps, and it is rated 40 times faster than its predecessor interface, USB 1.1, which tops at 12Mbps.
So how do you know if you’ve got USB 1.1 or USB 2.0?
Simple: Open the device manager and under the Universal Serial Bus controllers and you should have USB 2 or the word Enhanced listed against any component.