Secure and lightweight fit with Air Fitting Supporters for all-day comfort. Exceptional sound quality for clear calls and distraction-free music. Stay connected with Ambient Sound Mode. Customize your listening with the Sound Connect app. Auto Noise Canceling Optimizer analyzes and adjusts based on your surroundings. Dynamic Driver X - deliver wide frequency response for richer vocals and enhanced sound. Up to 5.5 hours of battery life - another 15.5 hours with charging case. Includes: 4 Earbud tips. Air fitting supporters. USB-C charging case.