Where innovation meets comfort, the Bose Quiet Comfort Ultra Open Earbuds in Moonstone Blue redefine your audio experience. These earbuds feature an open-ear design that allows you to stay aware of your surroundings while enjoying rich, private sound, thanks to Bose's cutting-edge OpenAudio technology. Whether you're on a run, engaging in conversation, or simply enjoying your day, these earbuds ensure you never miss a moment.Experience music like never before with Bose Immersive Audio, which spatializes sound to make you feel as if you're inside the music. The earbuds are designed for all-day comfort with a flexible joint and a light-as-air grip that gently hooks around the back of your ear, ensuring a secure fit that you'll barely notice.Stay powered throughout your day with up to 7.5 hours of playtime, or 4.5 hours with Immersive Audio enabled. The included charging case extends your listening time with an additional 19.5 hours of power, perfect for those on-the-go moments.