Brand BOSE Colour Black Ear placement On Ear Form factor closed back Noise control Active Noise Cancellation Headphones jack 3.5 mm Jack Industry leading noise reduction for travel, work and anywhere in between. Do not place any stress or pull on the input cable. Doing so may shorten the life of your headset. Be sure the earcup ports are clear of lint, dust and debris. Do not allow moisture to get inside the earcups. Best-in-class sound with lifelike performance for the music you love