* Integrated information management platform interface: it can be connected to the train information management platform through the network.

* Software SDK call.

* Device configuration software call.

* Device status display: Use the grid interface to connect to the SDK to display the status of different areas, including: zone status, playback information, etc.

* Audio management: save and manage different audio files in advance.

* Text-to-speech: The text can be converted to speech through the TTS speech engine and broadcast through the SDK.

Parameter Name	Parameter Value
Bus	USB
Other characteristics	power