The Leef Supra 3.0 USB Drive is small and simple, not visually vulgar when it is plugged into your laptop, MacBook, or car stereo. The Leef Supra 3.0 cylinder design is easy to grip for plug in or removal and strong enough to leave in your device almost permanently. Leef Supra 3.0 was designed for people who require a reliable USB drive that is superior on the go. SPECIFICATIONS USB: High-Speed 3.0 Capacities: 16GB, 32GB Colors: Charcoal, Silver Operating Temperature: 0°C - 60°C Storage Temperature: -20°C - 85°C System Requirements: Windows® 8, Windows® 7, Windows® XP (SP3), Windows Vista® (SP1, SP2), Apple® Mac OS X or later Regulatory Compliance: FCC, CE Warranty: 5-year limited warranty