Brand new and genuine item in original manufacturer's packing

High performance ? USB 3.0 speeds to save time when transferring, sharing or storing files

Compact ? capless ultra-small form factor to fit any mobile lifestyle

Durable ? fashionable metal casing design with a sturdy key ring

Speed: 8GB, 16GB ?100MB/s read, 32GB, 64GB ? 100MB/s read, 15MB/s write

Dimensions: 45.00mm x 12.2mm x 4.6mm

Operating temperature: 0°C to 60°C

Storage temperature: -20°C to 85°C

Worldwide lifetime warranty

The "Speed" is specified by manufacturer by using its own optimal testing environment. (However, actual performance will be varied with different environment of individual device.)

100 % returnable within 14 days ? no questions asked!!!