1.Distinguish from fingerprint or Password;

2.USB 2.0 compliant, hot plug &play;

 3.No external power is required, powered by USB bus directly;
4.Compatible between different operating systems,Electronic storage device, no mechanical
components, shake protection, electromagnetic wave protection,Write/delete protection switch
PC compatible;  

 5.Mac compatible with USB port       

6.Optional capacity:128mb,256MB ,512MB ,1GB ,2GB .4GB .8GB