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What is the Adaptive Active Noise Cancellation function and how does it work? – Bang & Olufsen Support
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B&O's new Beoplay HX noise canceling headphones last an impressive 35 hours on a single charge - GSMArena.com news
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Bang & Olufsen Beoplay HX Wireless Noise Cancelling Over-the-Ear Headphones Black Anthracite 55068BBR - Best Buy
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B&O's new Beoplay HX noise canceling headphones last an impressive 35 hours on a single charge - GSMArena.com news
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Bang & Olufsen Launches $499 Beoplay HX Noise-Canceling Headphones Offering 35 Hours of Battery Life - MacRumors
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