Phecda is a unique one of a kind memory stick that features capacitive touch fingerprint scanning system. Capacitive touch fingerprint scanning system can save up to 10 different sets of fingerprints. Besides owner of the flash, it can also be shared with other users. The owner has the master privilege control for authorizing access rights to other users, which provides the highest security standard for the owner.Impeccable By using the latest fingerprint recognition sensor, only the authorized fingerprint user can access the data. There is no way to extract data files from the flash drive once the sensor pad is damaged, and neither can the original manufacturer recover the data. Therefore, file security is 100% ensured. Dual Memory Storage Space enables for multipurpose use Phecda II USB drive is divided into public and fingerprint-restricted private storage sections, which allows for easy file sharing and confidential files saving within a single flash drive. Sturdy Metal Casing Made for Better Protection Phecda II USB drive shows excellent craftsmanship, it is made of Zinc Alloy with seamless detail-focused whole body design. The well-build metal body provides extra protection to withstand severe impacts; it's been tested and proven to function properly after several rounds of heavy vehicle tire compressing test. Specifications:Dimension?2.55x0.7x0.3 inches (L*W*H) Weight?0.7ozInterface?Support USB 1.1 / USB 2.0 / USB 3.0 Fingerprint Pad Hardness Scale: 6H Support Stystem: OS?Windows: 98 / 98SE / ME / 2000 / XP / Vista / 7 / 8 or later Mac: OS 9.x/OS 10.x or later Linux: Kernel 2.x / 3.x or later Please email us with any concerns before ordering or after. BoxCave - the authorized Amazon Reseller for TOPMORE brand products