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 lightweight, it offers the perfect combination of storage and convenience. The sliding collar and capless design protect your important content when not in use. 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 PCs and Mac laptops and desktop computers, and compatible with USB 3.0 host devices running at standard USB 2.0 speeds.