---
title: kUSBProductStringIndex
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/kusbproductstringindex
---

# kUSBProductStringIndex

## Declaration

```occ
#define kUSBProductStringIndex
```

## Discussion

The field in the USB Device Descriptor corresponding to the index for the product name's string