Capacity:128MB,256MB, 512MB, 1GB, 2GB, 4GB, 8GB,16GB Interface: USB 2.0 Speed: Read=10MB/Sec.; Write=7MB/Sec. Logo Imprint Silicone ... :3 years warrantyTransfer Rate :Hi-Speed USB 2.0 Certified, Compatible USB 1.1Compatibility :PC,Notebook,Macintosh with usb portOperating System :Windows 7/Vista/XP ...