---
title: kIOUSBUSB20ExtensionCapabilityBESLSupport
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.15+]
path: kernel/3166385-anonymous/kiousbusb20extensioncapabilitybeslsupport
---

# kIOUSBUSB20ExtensionCapabilityBESLSupport

## Declaration

```occ
kIOUSBUSB20ExtensionCapabilityBESLSupport = IOUSBBit(2)
```