sleek, stylish and convenient. It fits easily in your pocket, with your keys, or on a lanyard. It's also a great promotional idea for college student groups, bookstores, and as gifts for graduates and alumni. Our USB Flash Drive can be used in thousands of ways...but more importantly, your logo is visible every time someone uses your USB Flash Drive. Available Capacities: 16mb,32MB,64MB, 128MB, 256MB,512MB, 1GB, 2GB Hi-Speed USB 2.0 Certified Compatible With USB 1.1 For Mac and PC, No Driver Req.* No External Power Required Functions as Hard Drive LED Indicates Power, Read/Write Automatic system detection as a removable disk. Shock Resistance: 1000G Min. Data Retention: 10 Years 3 Year Warranty