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# CBManagerState

The possible states of a Core Bluetooth manager.

```
enum CBManagerState
```

## Topics

### Manager States

[`CBManagerState.poweredOff`](/documentation/CoreBluetooth/CBManagerState/poweredOff)

A state that indicates Bluetooth is currently powered off.

[`CBManagerState.poweredOn`](/documentation/CoreBluetooth/CBManagerState/poweredOn)

A state that indicates Bluetooth is currently powered on and available to use.

[`CBManagerState.resetting`](/documentation/CoreBluetooth/CBManagerState/resetting)

A state that indicates the connection with the system service was momentarily lost.

[`CBManagerState.unauthorized`](/documentation/CoreBluetooth/CBManagerState/unauthorized)

A state that indicates the application isn’t authorized to use the Bluetooth low energy role.

[`CBManagerState.unknown`](/documentation/CoreBluetooth/CBManagerState/unknown)

The manager’s state is unknown.

[`CBManagerState.unsupported`](/documentation/CoreBluetooth/CBManagerState/unsupported)

A state that indicates this device doesn’t support the Bluetooth low energy central or client role.


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