---
title: kUSBProprietaryConnector
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.7+]
path: iokit/kusbhostconnectortype/kusbproprietaryconnector
---

# kUSBProprietaryConnector

## Declaration

```occ
kUSBProprietaryConnector = 0xFF
```