To the music lovers with a playlist for every mood and moment, meet your new obsession. Bose reinvented earbuds with OpenAudio technology that combines complete awareness of your surroundings with rich, private sound only you can hear. And with Bose Immersive Audio, the Bluetooth earbuds with microphone don't just feel good and look good, they bring you closer to your music. Bose Immersive Audio spatializes music so you're not only listening to the music. You're in it. Designed for all-day wear you'll never want to take off these comfortable earbuds. The Bose Ultra Open Earbuds feature a flexible joint and a light-as-air-grip; you'll forget you're even wearing them. With up to 7.5 hours of play time (up to 4.5 hours with Immersive Audio) or up to 48 hours of standby, you're equipped with the power of long-lasting battery life. Plus, the included charging case provides up to an extra 19.5 hours of play time, making it perfect for on-the-go charging. Simple button controls make it easy to manage your music and switch between stereo and immersive modes. Get splashed on, dripped on, sprayed on. No worries here. With an IPX4 environmental rating for water resistance, the Bose Ultra Open Earbuds can handle it. Acoustic mesh keeps out moisture and debris, so you can keep on listening. Thanks to Bose SimpleSync technology, you can pair your wireless open ear headphones with Bose soundbars and speakers for personal TV listening with independent volume control. 881046-0020