USB 3.0 Interface - Maximizes data transfer when used in USB 3.0 ports, making it easy to transfer multiple files at once, or larger files with less waiting. Fully compatible with all USB ports. Smart Design - Perfect for users on the go, the Mini Metal USB features a retractable design that shields the USB connector when in transit - helping ensure your data remains safe and secure. In addition, the Mini Metal USB features a lanyard for easy transport. Universal Compatibility - The Verbatim Mini Metal USB is compatible with both Mac OS and Windows platforms. No need to reformat. Brushed Aluminum Exterior - With clean lines, smooth curves and a brushed aluminum exterior, we've designed the Mini Metal USB to perfectly complement the sleek, modern look of your MacBook or Ultrabook. Limited Lifetime Warranty - Verbatim manufactures our products to meet our strict quality standards. We stand behind the quality of our products - and our warranty proves it.