The PNY Attaché 4 USB 2 0 Flash drive is the essential solution for storing and sharing digital content for work and school Durable and light-weight it delivers the perfect combination of storage and convenience The sliding collar and cap-less design protects your important content when not in use and the included key loop easily attaches to key chains so important files are never out of reach The Attaché 4 USB 2 0 Flash drive is compatible with USB 2 0 equipped PC and Mac laptop and desktop computers and compatible with USB 3 0 host devices at standard USB 2 0 speeds.