Sennheiser Accentum Open True Wireless Open-Ear Earbuds Stay light on your feet and aware of your surroundings with the Sennheiser Accentum Open, a pair of open-ear true wireless earbuds with potent Sennheiser-tuned 11mm drivers for rich and detailed sound. With their open-ear stem design, these earbuds naturally blend your audio with your surroundings, keep your ears cool, and can be applied or removed effortlessly. The stem helps to ensure your earbuds stay put regardless of ear-canal size or ear shape. An IPX4 rating provides protection against water splashes and sweat, making them safe to use in light rain or intense exercise. You can pair with and remember up to eight devices, while multipoint connections allow you to simultaneously connect to two devices for seamless switching. Enjoy crystal-clear calls with two beamforming, AI-assisted mics on each earbud that cancel out unwanted noise in any environment. These earbuds offer up to 28 hours of total playtime with the charging cas