---
title: kIOPMDriverAssertionUSBExternalDeviceBit
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645008-anonymous/kiopmdriverassertionusbexternaldevicebit
---

# kIOPMDriverAssertionUSBExternalDeviceBit

## Declaration

```occ
kIOPMDriverAssertionUSBExternalDeviceBit = 0x04
```