1.3、Product Features：
1) Unique optical scanner identification technology
2) Inductive technology without blind area
3) Adopts 32Mbit MSF of sound ROM
4) Extra size of colorful and virtual pictures, which are double sizes, covering excessive information
5) Adopts the newest video dubbing technology, which makes the music and dubbing dynamic
6) Apply for many national patents
7) Functions of man-machine conversation, learning, repeating, and music, aiding learning, self-test exercises, automatic judgement and automatic scoring with easy and direct manipulation and powerful man-machine interaction