USB Flash Drive Cruzer Crossfire Capacity: 512MB -- 4GB Features: Capacity: ? 512MB = Yellow ? 1GB = White ? 2GB = Black ? 4GB = Blue Device Compatibility: ? Any device with a USB port, such as a PC or the Xbox 360 Minimum System Requirements: ? Pentium PC or Mac sh with USB support ? Windows 2000, MX, XP, Mac OS X v10.1.2 or greater Package Contents: ? Cruzer Crossfire with cap ? Color package , ? Cross sell sheet with customer registration link ? Lanyard (silver) ** OEM is warmly welcome. ** Lifetime Limited Warranty: 5 years warranty.