# AudioDeviceInfo (/zh-CN/api-reference/rtc/flutter/class-audiodeviceinfo)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_audiodeviceinfo__prototype"></a>

```dart
@JsonSerializable(explicitToJson: true, includeIfNull: false)
class AudioDeviceInfo {
  const AudioDeviceInfo({this.deviceId, this.deviceTypeName, this.deviceName});

  @JsonKey(name: 'deviceId')
  final String? deviceId;

  @JsonKey(name: 'deviceTypeName')
  final String? deviceTypeName;

  @JsonKey(name: 'deviceName')
  final String? deviceName;

  factory AudioDeviceInfo.fromJson(Map<String, dynamic> json) =>
      _$AudioDeviceInfoFromJson(json);

  Map<String, dynamic> toJson() => _$AudioDeviceInfoToJson(this);
}
```

<a id="class_audiodeviceinfo__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="deviceid"></a>
<Parameter name="deviceId">

设备 ID。

</Parameter>
<a id="devicename"></a>
<Parameter name="deviceName">

设备名称。

</Parameter>
<a id="devicetypename"></a>
<Parameter name="deviceTypeName">

音频设备类型，如：built-in、USB、HDMI 等。

</Parameter>
</ParameterList>