---
title: "StandardUSB::kDeviceCapabilityTypeUSB20Extension"
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 12.0+]
path: kernel/standardusb_tdevicecapabilitytype/standardusb_kdevicecapabilitytypeusb20extension
---

# StandardUSB::kDeviceCapabilityTypeUSB20Extension

## Declaration

```occ
StandardUSB::kDeviceCapabilityTypeUSB20Extension = kIOUSBDeviceCapabilityTypeUSB20Extension
```