Eaget U66 USB 3.0 High Speed Capless Flash Drive,Water Resistant,Shock Resistant,Integrated All-Metal Key Ring Sealed Design,Compact Size,64GB USB 3.0 high speed interface,Backwards compatible with USB 2.0. The ring design perfect blend of style and storage technology,all metal shell with precision to build,integrated with interface for plug and play. All sealed UDP kernel design combined with integrated appearance.Dustproof,waterproof,shockproof,anti-static,anti-magnetic,high temperature resistant. Transmission of large amounts of data to support the need for faster performance,The transferring rate will be impacted by your hardware device. The stylish full metal and its thumb size make it a perfect accessory for your keychains or personal belongings,beautifully delicate and portable.