Bose Ultra Open Earbuds Moonstone (881046-0030) are open-ear True Wireless earbuds designed for everyday use. OpenAudio technology lets you stay aware of your surroundings while enjoying rich, private high-quality sound. Bose Immersive Audio delivers a more spatial and engaging listening experience, making you feel inside the music. The lightweight, flexible hook design ensures a secure and comfortable fit, even during movement. With IPX4 water resistance, they are protected against sweat and splashes. Battery life offers up to 7 hours (up to 4 hours with Immersive Audio), plus additional charges from the case. Multipoint Bluetooth allows seamless switching between devices, while simple button controls make music and calls easy to manage.