For the music lovers with a playlist for every mood and moment, meet your new obsession at phonesrefurb. Discover the Bose Ultra Open Earbuds, featuring innovative OpenAudio technology that blends rich, private sound with complete awareness of your surroundings. Experience Bose Immersive Audio, where these Bluetooth earbuds with a microphone not only look and feel great but bring you closer to your music, spatializing it so you feel like you're in the sound. Designed for all-day wear, these comfortable earbuds boast a flexible joint and a light-as-air grip, making them easy to forget you're wearing. Enjoy up to 7.5 hours of playtime (up to 4.5 hours with Immersive Audio) and up to 48 hours of standby time. The included charging case adds up to 19.5 extra hours of playtime, perfect for on-the-go charging. With simple button controls, you can easily manage your music and switch between stereo and immersive modes. Plus, with an IPX4 environmental rating for water resistance, the Bose Ult