BAR Plus enjoys USB 3.1 standard and transmission speed up to 200MB/s, which can fully save more time to work, game, enjoy a movie and to create.Only with 14 seconds, can one 3GB 4K UHD video send to PC from Bar Plus.Metal case allows accidental crash or falling off without worrying about damage or scratches.Key hole design avoids missing.5 level safe guard guarantees its wonderful performance. Waterproof. Anti shock. Magnetic proof. Temperature-proof. X-ray proof.