Wesc RZA Premium On Ear Noise Cancelling Headphones. Active Noise Cancellation, two position rotation ON/OFF switch. LED equalizer, two position slide ON/OFF switch. Music Sharing Function. Mute function. Adjustable headband & molded ear cushions for high level of comfort. Foldable hinges for compact portability & storage. Accessories: hard case, twin plug airline system adaptor, 1/4 (6, 3mm) screw plug, 2 x AAA batteries. 3-touch handsfree unit.