Specification: 1.USB3.0 high speed to read and store Pic,MV and so on 2.USB connection,support Hot plug & Play. 3.No external power supply requird. 4.Support different types of os. 5.Solid State Storage, Shock proof and electromagnetic proof. 6.Write/delect protection switch 7.Durable data storage 8.Fast speed in write/read transfer 9.Hardware Requirement: PC with USB connection,Notebook,MAC 10Life:>1 million times 11.Chip: Original Samsung chip 12.Operate temp: 32°-140°F (0°-60°C) 13.Net Weight: 40 g / 1.42 oz 14.Product Size: 54 x 27 x 10 mm / 2.12 x 1.06 x 0.40 inch Note: To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transferring. H2testw testing tools for the end, no errors found.