---
title: kUSBDeviceCapabilityUSB20Extension
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1643503-anonymous/kusbdevicecapabilityusb20extension
---

# kUSBDeviceCapabilityUSB20Extension

## Declaration

```occ
kUSBDeviceCapabilityUSB20Extension = kIOUSBDeviceCapabilityTypeUSB20Extension
```