---
title: kUSBFullSpeedMicrosecondsInFrame
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/1425805-microsecondsinframe/kusbfullspeedmicrosecondsinframe
---

# kUSBFullSpeedMicrosecondsInFrame

## Declaration

```occ
kUSBFullSpeedMicrosecondsInFrame = 1000
```

## Discussion

Discussion The device is attached to a bus running at full speed (1 ms / frame).