Feel Your Music for Real Breakthrough spatialized audio for more immersive listening that makes your music feel realer than ever before — no matter the content or source. World-class noise cancellation and sound tailored to you. And a design that feels so good to wear. Say less. (Listen more.) QuietComfort Ultra Earbuds are the ultimate wireless noise-cancelling earbud experience. Bose Immersive Audio pushes the boundary of what it means to listen by taking what you’re hearing out of your head and placing it in front of you. It sounds so real it’s almost like you could reach out and touch it. Features Breakthrough Bose Immersive Audio World-class noise cancellation Sound and silence tailored to you Customize with Bose Music app Simple touch controls Up to 6 hour battery life on a single charge (Case holds 3 additional charges) Feel Your Music More Breakthrough spatial audio for more immersive listening that makes your music feel more real than ever before — no matter the content or source. World-class noise cancellation and sound tailored to you. And a design that feels so good to wear. Say less. (Listen more.) World-Class Noise Cancellation and Sound Shaped To You The magic of CustomTune technology: it analyzes your ears and adapts the sound and active noise canceling to their unique shape. The result? World-class noise-cancelling earbuds and sound that's tailored to you. Different Listening Modes for Different Environments When it’s time to tune in and jam out, use Quiet Mode. But sometimes you need to pay attention. That’s why Aware Mode allows enough transparency to hear your surroundings or engage in conversation without taking out an earbud. High-Quality Earbuds for Comfort And Stability Swap between nine potential combinations of eartips and stability bands. The soft, umbrella-shaped tips seal off the opening of your ear to reduce outside noises. And stability bands hug the contours of your ears for a snug fit. Listen Longer with Up To 24 Hours Total Play Time QC Ultra Earbuds themselves give you up to 6 hours of listening time (up to 4   with Immersive Audio) while the included case holds up to three additional full charges. Pop the buds in the case for up to 2 hours of music from just a 20-minute charge. Crystal-Clear, Natural-Sounding Phone Calls                  Enjoy clear, natural-sounding phone conversations. Noise-rejecting mics and focus on your voice and filter out background noise for the clearest calls. They’ll play through both or a single earbud, whatever works for you. Simple Touch-Free Device Controls Wireless earbuds that give you full control. Play or pause music, change the volume, and switch tracks. You can even answer calls and change the noise cancellation level, all without ever touching your phone.       A Powerful Wireless Connection with Advanced Bluetooth 5.3 Bose Bluetooth earbuds offer a strong, continuous connection within 30 feet of your device. Choose single- or multi-point to keep your phone, tablet, and work or school computer paired or just focus on one. Customize Your Experience with The Bose Music App Take personalization even further with Adjustable EQ settings in the Bose Music app. Control bass, mid-range, and treble levels as you go. Or use the app to check battery life, customize a shortcut, and manage connected devices. Bose QuietComfort Ultra Earbuds vs. QuietComfort Earbuds II Bose QuietComfort Ultra Earbuds give you all the best features of the QuietComfort Earbuds II, plus Bose's latest immersive sound technology. Also, unlike the QCE II, the Ultra Earbuds now feature Aware mode for smarter noise cancellation, and connection options like Google Fast Pair.