Cruzer Micro ships with U3 smart technology. Co-invented by SanDisk, U3 technology gives you the ability to carry your files and your software on a secure USB drive. You can have your wallpaper, preferences, favorites, profiles, and more - everything you need for a familiar computing experience on any PC, wherever you go.Cruzer Micro allows you to easily carry and transfer key documents, pictures, music and video clips from one computer to another. The retractable USB port eliminates the need for caps and protects your USB connector.