Unverified50% confidenceFactExact time

CMHeadphoneMotionManager于2020年WWDC随iOS 14发布，属于Core Motion框架的一部分

1

Sources

50%

Confidence

Long-term

Relevance

8/13/2026

First Seen

Sources

Ododok：用AirPods追踪咀嚼次数的健康监测App

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