Fashionable design slim & portable- Designed to fit in the palm of users hand or slip into users pocket Leather Strap easy to carry No driver installation required 30GB micro 1.8 inch Hard Drive installed USB (Universal Serial Bus)-powered no external power supply needed Compatible with USB (Universal Serial Bus) 2.0 Transfer Rates Up To 480 Mbsec & USB (Universal Serial Bus) 1.1 12 Mbps Perfect for Netbooks Desktops & PC Support Windows 2000 XP Vista 7