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Hi Sbelle4, Thanks for your inquiry. Yes, you can use the noise canceling function without playing music. Once connected to an audio device like a smartphone, you can set the Noise Canceling Automatic Power Off setting in the Headphones Connect app from 5 minutes to 30 minutes, 1 hour, or 3 hours or, if you want Noise Canceling to stay on all the time, just simply tap Do not turn off. The noise canceling function is effective in low-frequency ranges such as airplanes, trains, offices, near air-conditioning, and is not as effective for higher frequencies, such as human voices. These headphones would be perfect for you. -Ralph
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