What Is Sentinel Safenet Superpro Usb What Does The Safenet Sentinel Usb Does? Because I Found One And I Thought It Was Just A Regular Usb.?

What does the safenet sentinel usb does? because i found one and i thought it was just a regular usb.? - what is sentinel safenet superpro usb

I have one and thought it was just a regular USB, but I do not think soo, asked me what I was doing, or something.