Get clearer calls on demand – The discreet foldable boom arm and two advanced microphones optimize voice pick up for clearer office and mobile calls.Concentrate anytime, anywhere with ANC – Four ANC Microphones reduces background noise to increase work focus, together with plush ear pads for good sound isolation.Work your way -Portable design that works the way you do with discreet boom arm, music performance, noise cancellation and long battery life.