Fashionable design for women. No driver installation required( except Microsoft Windows 98). Small size, light weight, fashionable design. USB Standard interface, no extra power supply required. Memory size available: 512MB to 16GB Interface: High-speed USB 2.0 Weight: 25g Read speed: 29MB/s Write speed: 8MB/s Operating current: < 33mA Suspend current: < 28mA Data retention: over 10 years LED indicator: light flashing, reading and writing data Operating temp.: -10C to +55C Storage temp.: -20C to + 55C Operating Relative Humidity: 20%~90% Storage Relative Humidity: 20%~93% System Requirements: PC running Microsoft Windows 98/Me/2000/XP/Vista,Mac OS?9.x/0S X,or Linux 2.4x;available USB2.0 port. Packaging Options: Standard gift box, containing all related accessories(CD Driver, USB cable,lanyard and user manual). Mini paper box, containing USB stick and lanyard only. Round/Square aluminum box, with or without window. Blister+ Card( no accessories). Mini plastic box(no accessories).