The Dyconn Encrypted Flash Drive is a mobile, durable storage drive that provides unmatched security and 64GB/128GB of storage space by using the highest quality Samsung EMMC solid-state flash memory. Keeping your important and confidential files safe is easily achieved with the Encrypted Flash Drive"s security PIN system, which makes accessing the drive"s content without a password virtually impossible. In addition, the Encrypted Flash Drive"s strong zinc alloy body construction makes it the perfect on-the-go companion, providing peace of mind in knowing the content inside the drive is safe from damage or loss. What"s more, the Encrypted Flash Drive is waterproof and dust-proof, making it resistant to internal damage. Transferring files is quick and easy with USB 3.0 that affords transfer speeds up to 5Gbps.