---
title: kBluetoothHCICommandWriteLoopbackMode
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1640155-anonymous/kbluetoothhcicommandwriteloopbackmode
---

# kBluetoothHCICommandWriteLoopbackMode

## Declaration

```occ
kBluetoothHCICommandWriteLoopbackMode = 0x0002
```