DESC: These elegant portable drives are simple to use, light and easy to carry, and require no power Adapter -- they are powered directly through the USB cable. Pack up your office files and take them home. Carry thousands of songs or pictures. Synchronize files between home and office and encrypt everything on the drive for added security. WD Sync synchronization and Encryption Software lets you take your critical Data with you. Plug My Passport into any PC, Edit files, read e-mail, and view photos. Then sync all of your changes back to your home or office computer. Your data is protected with 128-bit encryption (Windows only). Perfect for the business traveler who needs to transfer large amounts of data from laptop to clients or just daily backups in case of accidents from mishandled luggage to coffee spills