Leather usb flash drive Capacity: from 128mb to 4gb ,USB 1.1 or 2.0 interface available A really cool design with promotion preponderance Password setting Shock-proof and moisture-proof, genuine leather housing High speed to read at 1000kb/s, write at 920kb/s Hot plug and play Operating system: Windows98/NT/ME/2000/XP or higher (driverless above Win98)