condition: new make / manufacturer: audio-technica model name / number: ATH-ANC23
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Audio Technica ATH-ANC23 QuietPoint Active Noise-Cancelling in-Ear Headphones - Sealed Brand New In a Box.
- Reduce distracting background noise by up to 90% while offering superior sound
- Engineered to create a comfortable listening environment in areas with high ambient noise
- Feature a miniature microphone in each earpiece that picks up ambient noise
- Electronics in control box create a noise-cancelling wave that is 180 out of phase with ambient noise-wave acts as noise eraser
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