The Store 'n' Go PinStripe USB Key from Verbatim features a sliding mechanism to ensure that the USB connector is always protected. Colour: black Weight: 8.6 g Dimensions (L×W×H): 54×21×9.22 mm Read speed: 10 MB/s Write speed: 4 MB/s System requirements: Apple Mac OS X 10.4 or later, Microsoft Windows 2000/XP/Vista/7, Linux 2.4.0 or later Incl. EasyLock password protection software (trial version)