Features / specifications: Capacities-1 GB ,2GB ,4GB ,8GB .16GB ,32GB Dimensions-2.64" x 0.80" x 0.35" (66.9 mm x 20.4 mm x 9.0 mm) Weight-0.4 oz (11.3 g) Operating temp-32o f to 140o f (0o c to 60o c) Storage temp--4o f to 185o f (-20o c to 85o c) Efficient-data transfer rates of up to 6 MB / sec.Read and up to 3 MB / sec write Compliant-designed to dt1 and hi-speed USB 2.0 specifications Flexible-dt1 launchpad operates in seven languages:English, spanish, French, german, italian, japanese and simplified Chinese Secure-includes password protection Convenient-pocket-sized for easy transportability Simple-just plug and play into a USB port Practical-stores cap securely on end of device to prevent loss of cap Guaranteed-five-year warranty Fashionable-available in four colors based on capacity.