Brand: Dyson Condition: Used, See photos. Item or your money back. In Packaging?: Yes Functional?: Yes Assembly Required?: No UPC: 88 Dyson OnTrac customizable active noise cancelling headphones. 8 Active Noise Cancelling microphones cancel up to 40dB of unwanted noise, for fully-immersive listening. So you don't miss a beat. Based on average listening time of 3 hours a day with ANC on. Performance may vary based on environmental conditions and usage. With ANC on. Performance may vary based on environmental conditions and usage.. 8 Active Noise Cancelling microphones cancel up to 40dB of unwanted noise, for fully-immersive listening. So you don t miss a beat.. Hear more, feel more.
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