Experience immersive sound and all-day comfort with Bose Ultra Open Earbuds. These earbuds feature OpenAudio technology, providing rich, private sound while allowing you to stay aware of your surroundings. With Bose Immersive Audio, you'll feel like you're inside the music. They are lightweight, comfortable, and designed to stay securely in place. The earbuds are water-resistant with an IPX4 rating, protecting them from splashes and moisture. Enjoy up to 7 hours of playtime on a single charge, with the included charging case offering an additional 2.5 charges for a total of up to 48 hours of standby time. Seamlessly switch between devices with Bluetooth multipoint connectivity. Simple button controls allow for easy music management and call handling. Use Bose SimpleSync technology to pair with Bose smart soundbars and speakers for a personal TV listening experience with independent volume control. Download the Bose app for the latest software updates and features.