Smart x1 is a high-performance smart-card based software protection dongle with on-board 3des algorithm. This high-strength device is easy to integrate and help developers make comprehensive protection strategy. It has built-in 20kb data storage area, which is composed of mass storage area and 64 controllable data page area. Additionally, each page contains five useful properties: enable read only, access code, 3des key and max access number. 55mm*16.6mm*7mm