See that little clear thing on the end of your Jawbone? That's the Voice Activity Sensor (VAS) and it literally feels your speech.

But in order to do so, you and your Jawbone need to get up close and personal. Make sure the VAS is touching your face and you'll get the best possible sound quality and noise elimination.

Adjust your Jawbone fit for maximum comfort and optimum performance.

Get a detailed view of the Voice Activity Sensor in action.

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