---
title: kUSBInformationDeviceIsRootHubMask
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.6+]
path: iokit/usbdeviceinformationbits/kusbinformationdeviceisroothubmask
---

# kUSBInformationDeviceIsRootHubMask

## Declaration

```occ
kUSBInformationDeviceIsRootHubMask = (1 << kUSBInformationDeviceIsRootHub)
```