Digital Foci DataPocket 40 GB External Hard Drive (Sky Blue) One-touch Smart Backup Button enables quick and easy data backup (Windows only) Powerful Smart Backup software lets you create multiple custom copy tasks for data backup, recovery, and synchronization USB 2.0 connection provides high speed transfer rates of up to 480 Mbps USB bus-powered (no external power required) - perfect for mobile users Compact, lightweight, pre-formatted, Windows and Mac compatible