Patriot Signature Dash 8 GB Capless USB 2.0 Flash Drive PSF8GDUSB Hi-Speed USB 2.0 Compatible (backwards compatible to USB 1.1) Retractable capless design so no more losing Caps! Compatible with Windows 7, Vista, XP, 2000, ME, Linux 2.4 and later, Mac OS9, X and later Easy plug and play functionality 5 Year Warranty