---
title: bInterval
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.8+]
path: iokit/iousbendpointproperties/1426099-binterval
---

# bInterval

The bInterval field from the Standard Endpoint descriptor.

## Declaration

```occ
UInt8 bInterval;
```