---
title: "StandardUSB::kUSB20ExtensionCapabilityBESL"
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 12.0+]
path: kernel/3793792-anonymous/standardusb_kusb20extensioncapabilitybesl
---

# StandardUSB::kUSB20ExtensionCapabilityBESL

## Declaration

```occ
StandardUSB::kUSB20ExtensionCapabilityBESL = kIOUSBUSB20ExtensionCapabilityBESL
```