Features: USB 1.1 and 2.0 interface, need no power supply Supporting full-speed (24Mbps) USB Standard Commands and Vender Commands support Enough capacity for free upgrade Driver support for Windows 98/98SE Driverless for Windows 2000/ME/XP and Mac OS 9.0 or higher Providing LED indicator when USB flash disk is working Write/Delete protection switch Protecting your data in USB flash disk Can be erased and written for 1 million times Supporting USB-HDD and USB-ZIP boot Storage life: >10 years Built-in security function Hot plug and play, enable you to install USB flash disk at anytime