FEBNISCTE 10 Pack 8GB Metal Key USB 2.0 Flash Drives Memory Sticks Key Shaped Thumb Drives Zip Drives - Dark Blue Compatibility- Flash drives are compatible with USB 2.0 and systems of Windows 7, Windows 8, Vista, XP, 2000, ME, NT Linux and Mac OS,etc. Confidence - Focus on providing you with secure,reliable and portable storage devices and offering hight quality product. Idealism - Fine choice for advertisement. The flat surface allow to print LOGO stickers or markers as gift for a promotion compaign. Convenience - Take it all with you. Thin metal key design for durability with key ring to prevent loss. Convenient Storage and Portability. Warranty - 100% RISK-FREE SATISFACTION GUARANTEE,30-days money back or replacement.