SAMSUNG 256GB – 400MB/s USB 3.1 Flash Drive 
About this item Redefine everyday file transfers with speeds up to 300MB/s Exceptionally compact USB flash drive for an unnoticeable, seamless fit, designed with a key ring to prevent loss Reliable and secure storage for your photos, videos, music, and files Safeguard your data backed by a 5-year limited warranty (Water proof, shock proof, magnet proof, temperature proof, x-ray proof) USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)