... supports most key ringsHandycompact sizeGuaranteed 1-year warrantyOperation systemWindows XP,Windows 2000, Windows Vista, Windows 7 or aboveAccessoriesManual ,cd drive, USB cable, lanyard, keyring ... File Transfer Password Traveler Windows® 7 Yes Yes Windows Vista® (SP1, SP2) Yes Yes Windows ReadyBoost No No Windows XP (SP1, SP2, SP3) YesYes Windows 2000 (SP4) Yes ...