Ideal for music enthusiasts who create playlists to match every mood and situation; the Bose Ultra Open Earbuds utilises OpenAudio technology; blending full awareness of your surroundings with high-quality; private sound tailored just for you. - Enjoy a Secure and Slip-free Fiti Featuring a flexible hinge and an effortlessly lightweight grip; the Bose Ultra Open Earbuds offer unparalleled comfort that makes you almost forget they're there. Simply loop them gently around the back of your ear; and you'll remain fully aware of the world around you. - Stay Powered Up and in the Groove without Interruption With a playtime of up to 7.5 hours (or up to 4.5 hours with Immersive Audio) and a standby time of up to 48 hours; you're armed with enduring battery life. In addition; the included charging case adds an extra 19.5 hours of power; ensuring seamless on-the-go charging whenever you need it - Amazing Sound Quality Bose's proprietary OpenAudio technology drives the most immersive listening experience of any open-ear headphone. Additionally; you can activate Auto Volume within the Bose App to ensure your music remains audible amidst changes in your surroundings' volume levels. - Press; Play; and Indulge in Your Music Effortlessly switch between stereo and immersive modes with convenient button controls; granting you immediate control over your listening journey. With a simple press; manage your music playback and handle calls seamlessly. What's in the box? - 2 x Bose Ultra Open Earbuds - 1 x Charging case - 1 x USB-C® (A to C) cable (12in) - 1 x Safety Sheet