---
title: kIOUSBEndpointSynchronizationTypeNone
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.2+, macOS 10.15.1+]
path: iokit/tiousbendpointsynchronizationtype/kiousbendpointsynchronizationtypenone
---

# kIOUSBEndpointSynchronizationTypeNone

## Declaration

```occ
kIOUSBEndpointSynchronizationTypeNone = (kIOUSBEndpointDescriptorSynchronizationTypeNone >> kIOUSBEndpointDescriptorSynchronizationTypePhase)
```