---
title: bcdUSB
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousbstandardendpointdescriptors/bcdusb
---

# bcdUSB

The USB version supported by the device, specified as a binary-coded decimal value.

## Declaration

```occ
uint16_t bcdUSB;
```

## See Also

### Getting the Descriptors

- [descriptor](usbdriverkit/iousbstandardendpointdescriptors/descriptor.md)
- [ssCompanionDescriptor](usbdriverkit/iousbstandardendpointdescriptors/sscompaniondescriptor.md)
- [sspCompanionDescriptor](usbdriverkit/iousbstandardendpointdescriptors/sspcompaniondescriptor.md)