1. Play background music for the entire supermarket to create a leisure environment.

2. Automatic playback of background music: regular, fixed, set the area to play the beautiful background music.

3. Paging radio: supermarket to find someone, play the revelation, release property management notice, promotions and so on.

4. Emergency broadcast: fire disaster prevention, in case of emergency alarm and to achieve the purpose of evacuation of supermarket owners or more concentrated groups to ensure that the safety of supermarket customers to avoid accidents.