DEWALT Heavy-Duty Jobsite Open-Ear Pro Earbuds. Featuring Bluetooth 5.3 wireless connectivity and innovative air-conduction technology, these open-ear earbuds deliver rich, full sound while keeping your ears open so you can stay connected to your surroundings and focused on the task at hand. With powerful 18x11 mm dynamic drivers, DEWALT's true wireless open-ear design brings deep bass and clear audio performance, even in high-noise environments. The ergonomic memory-wire earhooks, wrapped in soft silicone, provide a secure and comfortable fit that lasts all day whether you are swinging a hammer, climbing a ladder, or crushing a cardio session.