Litop@ 16GB Purple Swiveling USB Flash Drive USB 2.0 Memory Disk with a Protective Case as a Gift Swivel fashionable style Small and pocket-sized for easy transportability Easy to use, just plug in and play directly, no need any extra power supply Operating system supported: windows 7 /8,Vista/XP/2000/ME/98/910, Mac OS 8.6 above and Linux, etc. High speed in writing /reading transfer