Clickfree C2 500GB USB 2.0 2.5" External Hard Drive w/Automatic Backup (Purple) Clickfree C2 500 GB USB 2.0 2.5-inch External Hard Drive General Features: Purple color 500 GB capacity 2.5-inch hard drive USB 2.0 interface with attached cable Portable, external drive Driver-free Plug and Play operation Automatic backup with scheduling 256-bit hardware-based encryption Bus-powered - no additional cable needed Import iPod music playlists, backup email attachments