Removable storage medium that allows data to be written and erased as many times as is required ,- Removable USB 2.0 storage medium (downward compatible with USB 1.1) ,- Sturdy plastic casing with a retractable USB connector ,- SanDisk SecureAccess software included (download necessary): protects your private files in an encrypted, password protected folder (128-bit AES encryption) , ,System Requirements: ,- Operating system: Windows 7/Vista/XP/2000/ME, Linux, MacOS X ver. 10.1.2 or higher , ,Note for Consumers: ,Advantages of the SanDisk SecureAccess software: ,- Protected access - your private files are protected by a personal password and automatically encrypted using 128-bit AES encryption ,- Easy to use - simply drag-and-drop files into a private folder or vault on your SanDisk USB flash drive ,- Download and further information at www.SanDisk.com/SecureAccess