“Will this cancel ALL noise so I can sleep on an extended overseas flight?”

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• Vast majority will be cancelled. You will hear an occasional voice come through, but it will still be very low. The biggest reduction is of the plane engines and general noise.

  Answered by Dav17grand 1 year ago

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• Thank you for your question. High-pitched noise may not be completely blocked out by our JBL Tune 770NC, depending on the environment. If you have further questions, please feel free to contact us.

  Answered by JBL Support 1 year ago

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