JX-103 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: 58.6*22.3*11.2mm Custom colors available: blue ,black ,red ,silver