Beats Studio Over-Ear Headphone (Green) (Discontinued by Manufacturer) Powerful enough to block out a jet engine.Powered by a pair of AAA batteries, the noise cancellation feature in a pair of Beats Studio headphones amplifies the music as it blocks out noise, giving you consistently powerful and intense sound. Extra comfortable ear cups are super plush and covered with ultra-soft breathable materials so youll be cool and comfortable, even during marathon listening sessions. Designers of Beats Studio headphones conducted a series of ergonomic studies to find the perfect lightweight, foldable headphone that always delivers a comfortable fit. The result is a design now copied by brands around the world. Take calls, skip songs and adjust volume right from the cord of your Beats Studio headphones. No more searching for your phone or music player just to find the right song.