Whether at the office, on the train or on a plane – active noise cancelling reliably filters out distractions.Enjoy music, calls in top quality without interruptions. Rich bass, clear highs and precise details bring your music to life. With replaceable ear tips in S,M and L, you get the perfect fit – and sound that pulls you right in. Multiple noise-reducing microphones make sure your voice stays clear, even in noisy environments. Up to 5 hours of music per charge, up to 20 hours with the case. - Stay focused with ANC: Blocks out unwanted noise - Immersive sound: Rich bass and clear highs - Crystal-clear calls: Noise-reducing microphones - Long battery life: Up to 5 hours of music per charge - Stylish design