---
title: kBluetoothHCIDataPacketHeaderSize
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1640192-anonymous/kbluetoothhcidatapacketheadersize
---

# kBluetoothHCIDataPacketHeaderSize

## Declaration

```occ
kBluetoothHCIDataPacketHeaderSize = 4
```