---
title: kIOUSBHostConnectionSpeedNone
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbhostconnectionspeed/kiousbhostconnectionspeednone
---

# kIOUSBHostConnectionSpeedNone

The no speed value.

## Declaration

```occ
kIOUSBHostConnectionSpeedNone = 0
```