Product Description Specifications Chrome swivel, Grade A memory with “chip on board” technology, waterproof, chain lanyard, 10 Year warranty on data retention, 1 year replacement warranty on faulty manufacture. Ball chain included. Product Size: 38 x 12 x 5 mm Branding Area: 25 x 10 mm Standard Packaging: Tissue Wrap Certification: CE, FCC, USB2.0, RoHS Data Upload: Free Data upload to 150MB on all indent orders. Notification: USB 2.0 has an average read-write speed of 480 MBPS (megabytes per second), while USB 3.0 transfer speed is 4800 MBPS, 10 times faster. If you have high capacity data files, videos & very high-resolution images, you may need a faster flash drive. If Capacity: Under 2,500 mAh Material: Aluminium