adopt super stable level A Flash chip. USB main interfacespeed rate can reach 12Mb/s. can rewrite for million timesdata can remain more than 10 years. need not the outer power supply. thumb size, legerity and convenient by taking. under WinMe/Win2000/WinXP system no need drivers. auto-guide system operate, be the same with Bios be provided with the super-function such as hardware encrypt, document encrypt and write-protect Standard Met:CE,FCC