YuHoves USB Flash Drive 3.0 16GB Waterproof Metal Pendrive Key Ring (YH-002-16) High-quality metal casing for durability with key ring to prevent loss USB 3.0-enabled and USB 2.0-compatible Water proof, Shock proof, magnet proof, temp proof, and X-ray proof with a 5-year warranty High-speed USB 3.0 flash drive for fast data transfer Write up to 10X faster than standard USB 2.0 drives