Material: aluminum zinc alloy and plastic Size: 36 x 16 x 4.1mm Capacity: 2GB/4GB/8GB/16GB Metal color: gun metal, silver, rose gold - main color (gold, satin gold, and pearl) Plastic color: black and white Supports USB specification reversion 1.0/1.1/2.0 Supports full-speed (12Mbps) and high-speed (480Mbps) Driverless for Microsoft Windows ME/2000/XP/Vista, Linux 2.4 or above, Mac 9.0 and higher Driver supports Microsoft Windows 98/98 SE Mac 8.6 mass storage driver available from Apple Multiple LUN Microsoft Windows driver is available Bus-powered USB device Meets USB power specifications for bus-powered devices Draws power directly from USB port without need for auxiliary power sources Data can be preserved more than 10 years No external power is required: powered by USB bus (4.5 to 5.5V) Repeat read and write one million times Erase cycles: 1,000,000 times Shock resistance: 1,000G (maximum) Altitude: 80,000 feet (relative to sea level) Temperature range: Operation: -10 to +55℃ Storage: -20 to +55℃