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

# kBluetoothHCICommandReadDataBlockSize

## Declaration

```occ
kBluetoothHCICommandReadDataBlockSize = 0x000A
```