---
title: powerState
framework: IOBluetooth
role: symbol
role_heading: Instance Property
path: iobluetooth/iobluetoothhostcontroller/powerstate
---

# powerState

Gets the controller power state

## Declaration

```swift
var powerState: BluetoothHCIPowerState { get }
```

## Return Value

Return Value The current controller’s power state. This will be 1 for on, or 0 for off. Only Apple Bluetooth adapters support power off