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.