Immerse yourself in pure audio bliss with the Dyson OnTrac Bluetooth headphones. Remastered for excellence, these headphones feature Active Noise Cancellation to deliver unparalleled sound quality. With an enhanced sound range between 6Hz to 21kHz, every note flows crystal clear. Over-ear design offers up to 55 hours of battery life for uninterrupted listening. | Dyson OnTrac Over-Ear Noise Cancelling Bluetooth Headphones - CNC Black Nickel