JX-301 Portable, lightweight and durable Specifications: Hi-Speed USB2.0 Compatible with USB1.1 No driver needed for Windows ME/2000/XP,Mac os 9.X and above. Supports windows 98SE(driver required) Accessories: Gift Boxes, Neckstrap, USB Cable, Driver CD, User Manual Capacities: 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB Size: 85.0*23.0*16.5mm Custom colors available: black ,brown