Rediscover your favorite songs with the immersive sound and advanced features of the Bose QuietComfort Ultra Earbuds (2nd Gen). Engineered for music lovers who demand more from every listen, these wireless earbuds deliver personalized audio and the industry's most effective noise cancellation. With Bose's innovative CustomTune technology, each earbud automatically adapts to the unique shape of your ear, ensuring that audio and noise cancelling are perfectly tailored for you. These earbuds bring world-class noise cancellation, letting you focus entirely on your music, podcasts, or calls. Featuring distinct listening modes like Quiet Mode for full noise blocking, Aware Mode for transparency, and Immersion Mode for an out-of-this-world audio experience, you stay in control no matter where life takes you. Bose Immersive Audio adds a spatial layer that lets you feel as if you're listening live, for richer, more dynamic sound. With nine combinations of eartips and stability bands, finding the perfect fit is effortless, so your music stays front and center while comfort takes care of the rest. Staying connected is just as easy — noise-rejecting microphones and AI-powered background noise suppression guarantee crisp, clear calls, whether you're on the move or at home. Enjoy up to 6 hours of playtime in standard modes, and easily recharge with the wireless-capable case when you need a boost. Effortlessly switch between devices using Bluetooth multipoint, and keep the music going wherever you are.