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The QuietComfort 15 headphones debut a more sophisticated, proprietary electronics approach to active noise reduction, placing microphones both inside and outside the earcup. This electronics system better senses the sound in almost any environment and then more effectively measures, compares and reacts to the noise –- instant by instant –- to produce an opposing cancellation signal.

The QuietComfort 15 headphones feature an around-ear design that maintains the renowned comfort of its predecessors. A single earcup cable can be detached for untethered noise reduction. Once the cable is removed, listeners need only flip a switch on the right earcup to activate the proprietary technology.

A single AAA battery powers the QC15 headphones for approximately 35 hours of use. The green on/off indicator light flashes when there is approximately five hours of battery life remaining. For compact storage, the earcups rotate to a flat resting position and fit easily into the provided newly designed carrying case.