---
title: IOUSBSuperSpeedEndpointCompanionDescriptor
framework: usbdriverkit
role: symbol
role_heading: Structure
path: usbdriverkit/iousbsuperspeedendpointcompaniondescriptor
---

# IOUSBSuperSpeedEndpointCompanionDescriptor

The descriptor for a SuperSpeed USB Endpoint Companion.

## Declaration

```occ
struct IOUSBSuperSpeedEndpointCompanionDescriptor;
```

## Overview

Overview For more information about this descriptor type, see section 9.6.7 of the USB 3.1 specification at http://www.usb.org.

## Topics

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/blength.md)
- [bDescriptorType](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bdescriptortype.md)
- [bMaxBurst](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bmaxburst.md)
- [bmAttributes](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bmattributes.md)
- [wBytesPerInterval](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/wbytesperinterval.md)

## See Also

### Endpoint Descriptors

- [IOUSBEndpointDescriptor](usbdriverkit/iousbendpointdescriptor.md)
- [IOUSBSuperSpeedPlusIsochronousEndpointCompanionDescriptor](usbdriverkit/iousbsuperspeedplusisochronousendpointcompaniondescriptor.md)
- [tIOUSBEndpointType](usbdriverkit/tiousbendpointtype.md)
- [Endpoint Attributes](usbdriverkit/endpoint_attributes-enum.md)
- [SuperSpeed USB Endpoint Descriptor Options](usbdriverkit/superspeed_usb_endpoint_descript-enum.md)
- [tIOUSBEndpointDirection](usbdriverkit/tiousbendpointdirection.md)
- [tIOUSBEndpointSynchronizationType](usbdriverkit/tiousbendpointsynchronizationtype.md)
- [tIOUSBEndpointUsageType](usbdriverkit/tiousbendpointusagetype.md)
- [tIOUSBLanguageID](usbdriverkit/tiousblanguageid.md)