Sony LinkBuds Fit Secure and lightweight fit with Air Fitting Supporters for all-day comfort. Exceptional sound quality for clear calls and distraction-free music. Customize your LinkBuds Fit with accessories including supporters and case covers, in a variety of colors. 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. Experience Dynamic Driver X, designed to deliver wide frequency response for richer vocals and enhanced sound. Up to 5.5 hours of battery life, with up to another 15.5 hours in the charging case   Related