---
title: kBluetoothHCIVersionCoreSpecification4_1
framework: iobluetooth
role: symbol
role_heading: Global Variable
path: iobluetooth/kbluetoothhciversioncorespecification4_1
---

# kBluetoothHCIVersionCoreSpecification4_1

## Declaration

```swift
var kBluetoothHCIVersionCoreSpecification4_1: BluetoothHCIVersions { get }
```

## See Also

### Constants

- [kBluetoothHCIVersionCoreSpecification1_0b](iobluetooth/kbluetoothhciversioncorespecification1_0b.md)
- [kBluetoothHCIVersionCoreSpecification1_1](iobluetooth/kbluetoothhciversioncorespecification1_1.md)
- [kBluetoothHCIVersionCoreSpecification1_2](iobluetooth/kbluetoothhciversioncorespecification1_2.md)
- [kBluetoothHCIVersionCoreSpecification2_0EDR](iobluetooth/kbluetoothhciversioncorespecification2_0edr.md)
- [kBluetoothHCIVersionCoreSpecification2_1EDR](iobluetooth/kbluetoothhciversioncorespecification2_1edr.md)
- [kBluetoothHCIVersionCoreSpecification3_0HS](iobluetooth/kbluetoothhciversioncorespecification3_0hs.md)
- [kBluetoothHCIVersionCoreSpecification4_0](iobluetooth/kbluetoothhciversioncorespecification4_0.md)
- [kBluetoothHCIVersionCoreSpecification4_2](iobluetooth/kbluetoothhciversioncorespecification4_2.md)
- [kBluetoothHCIVersionCoreSpecification5_0](iobluetooth/kbluetoothhciversioncorespecification5_0.md)
- [kBluetoothHCIVersionCoreSpecification5_1](iobluetooth/kbluetoothhciversioncorespecification5_1.md)
- [kBluetoothHCIVersionCoreSpecification5_2](iobluetooth/kbluetoothhciversioncorespecification5_2.md)
- [kBluetoothHCIVersionCoreSpecification5_3](iobluetooth/kbluetoothhciversioncorespecification5_3.md)