---
title: kIOUSBEndpointDescriptorSynchronizationTypeNone
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.15+]
path: kernel/3166377-anonymous/kiousbendpointdescriptorsynchronizationtypenone
---

# kIOUSBEndpointDescriptorSynchronizationTypeNone

## Declaration

```occ
kIOUSBEndpointDescriptorSynchronizationTypeNone = (0 << IOUSBBitRangePhase(2, 3))
```