Redefine everyday file transfers with the Samsung BAR Plus USB 3.1 Flash Drive. Just plug it in and expand the storage of your devices with an unnoticeable, seamless fit. Designed with a key ring to prevent loss. Fast and convenient read speeds up to 300MB/s*, so that you have more time to work, play, watch, and create. A reliable and secure solution for your personal photos, videos, music, documents, and files. shock proof, magnet proof, temperature proof, x-ray proof). Experience Samsung's industry-leading V-NAND (64 layer) technology. *Speeds may vary by capacity.Operating Temperature :0~60?.