Made for long listening Light wireless headphones with sound that stays clear on the train, in the office and on the plane. 40-hour battery A full week of music on one charge. Noise cancelling Quiet the street with one button. Bluetooth 5.3 Stable connection up to 15 metres. Clear calls Four microphones that follow your voice. Soft cushions Memory foam you forget you are wearing. Folds flat Slips into a slim case for travel.