512GB Waterproof USB 2.0 Metal Flash Memory Stick Pen Drive Storage Thumb U Disk A convenient data storage device, let you easily take your data back home, to your office,school or any other place High capacity,no reason and no need to delete your valuable files Compatible with:ALL brands of computers,tablets,laptops with Windows 7/Windows 8/Vista Storage Capacity: 512GB Speed:Writing 5M/s,Reading 10M/s