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# handsFree(_:hangup:)

Tells the delegate the connected Bluetooth hands-free phone or headset is sending a hang-up signal.

```
optional func handsFree(_ device: IOBluetoothHandsFreeAudioGateway!, hangup: NSNumber!)
```

## Parameters

`device`

The remote hands-free Bluetooth device that’s sending a hang-up signal.

`hangup`

A number that indicates whether the device is sending a hang-up signal. This value is always set to 1.

## Discussion

---

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