---
title: IOUSBDeviceCapabilityUSB2Extension
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.7+]
path: iokit/iousbdevicecapabilityusb2extension
---

# IOUSBDeviceCapabilityUSB2Extension

## Declaration

```occ
typedef struct IOUSBDeviceCapabilityUSB2Extension {
    ...
} IOUSBDeviceCapabilityUSB2Extension;
```

## Overview

Overview Device Capability USB 2.0 Extension

## Topics

### Instance Properties

- [bDescriptorType](iokit/iousbdevicecapabilityusb2extension/1425541-bdescriptortype.md)
- [bDevCapabilityType](iokit/iousbdevicecapabilityusb2extension/1425731-bdevcapabilitytype.md)
- [bLength](iokit/iousbdevicecapabilityusb2extension/1425777-blength.md)
- [bmAttributes](iokit/iousbdevicecapabilityusb2extension/1425944-bmattributes.md)

## See Also

### Related Documentation

- [IOUSBDeviceCapabilityUSB2Extension](iokit/usb_h_user-space/iousbdevicecapabilityusb2extension.md)