• 256GB ultra fast USB 3.1 flash drive with high-speed transmission; read speeds up to 130MB/s • Store videos, photos, and songs; 256 GB capacity = 64,000 12MP photos or 978 minutes 1080P video recording • Note: Actual storage capacity shown by a device's OS may be less than the capacity indicated on the product label due to different measurement standards. The available storage capacity is higher than 230GB. • 15x faster than USB 2.0 drives; USB 3.1 Gen 1 / USB 3.0 port required on host devices to achieve optimal read/write speed; Backwards compatible with USB 2.0 host devices at lower speed. Read speed up to 130MB/s and write speed up to 30MB/s are based on internal tests conducted under controlled conditions , Actual read/write speeds also vary depending on devices used, transfer files size, types and other factors • Stylish appearance,retractable, telescopic design with key hole • High-quality NAND FLASH flash memory chips can effectively protect your data security • Note: No integrated LED light indicator • Note: FAT32 is the factory default drive format which is read/write compatible with Windows and Mac OS. If you are transferring a file size over 4GB, please reformat the drive to exFAT or NTFS.