World-class noise cancellation for total immersion. Immersive Audio mode for a 3D listening experience. Secure, comfortable fit with multiple ear-tip sizes. Bluetooth 5.3 + multipoint for easy device switching. Up to 6 hrs battery , plus quick-charge and case. IPX4 water resistance for workouts and weather. Customizable EQ and controls via Bose Music App. Premium design with compact charging case.