Main Features: In shape of athletic shoes * Small enough to carry on your key ring. * 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: 64MB to 4GB Specifications: * Interface: High-speed USB 2.0 * Weight: 20g * Read speed: 17MB/s * Write speed: 15MB/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