1. Support group and partition playback;

2. Support 70 levels of user authority management;

3. Support password management login;

4. Support sound card collection and broadcasting;

5. Support file playback;

6. Support monitoring function;

7. Support timing playback function;

8. Support zero hour task saving function;

9. Support the independent volume adjustment function of each terminal;

10. Support the acquisition and broadcasting function of terminal collector.