---
title: kIOUSBUSB20ExtensionCapabilityBESLDValid
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.15+]
path: kernel/3166385-anonymous/kiousbusb20extensioncapabilitybesldvalid
---

# kIOUSBUSB20ExtensionCapabilityBESLDValid

## Declaration

```occ
kIOUSBUSB20ExtensionCapabilityBESLDValid = IOUSBBit(4)
```