The Aluratek AHDUB250120 2.5" 120GB External Hard Drive W/PushButton Backup provides the easiest way to backup your data. With the included software, you are able to backup files with just the push of a button. Being self powered, you can take the drive anywhere you go without worrying about needing external power or adapters. Just connect the drive to your computer with the included USB 2.0 cable and access all the data you need. With Hi-Speed USB 2.0 at transfer rates, you will able to backup or access your mp3's, digital photos, and digital videos in no time.