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# IOBluetoothHandsFreeDeviceFeatures

```
enum IOBluetoothHandsFreeDeviceFeatures
```

## Topics

### Enumeration Cases

[`IOBluetoothHandsFreeDeviceFeatureCLIPresentation`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/cliPresentation)

[`IOBluetoothHandsFreeDeviceFeatureCodecNegotiation`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/codecNegotiation)

[`IOBluetoothHandsFreeDeviceFeatureECAndOrNRFunction`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/ecAndOrNRFunction)

[`IOBluetoothHandsFreeDeviceFeatureEnhancedCallControl`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/enhancedCallControl)

[`IOBluetoothHandsFreeDeviceFeatureEnhancedCallStatus`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/enhancedCallStatus)

[`IOBluetoothHandsFreeDeviceFeatureNone`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/none)

[`IOBluetoothHandsFreeDeviceFeatureRemoteVolumeControl`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/remoteVolumeControl)

[`IOBluetoothHandsFreeDeviceFeatureThreeWayCalling`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/threeWayCalling)

[`IOBluetoothHandsFreeDeviceFeatureVoiceRecognition`](/documentation/IOBluetooth/IOBluetoothHandsFreeDeviceFeatures/voiceRecognition)

## Relationships

### Conforms To

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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