Lexar Media JDS256-231 256 MB Portable Secure USB Jumpdrive Includes Safe Guard software pre-loaded on the JumpDrive Secure, allowing you to password protect files. Also allows you to split the JumpDrive into 2 zones. One public and not password protected, and one password-protected private area Safe Guard software requires either Windows 2000, XP, or Mac OS 10.1.5 Data protection light blinks until data is stored Rugged & durable design PC & Macintosh compatible