Bose QuietComfort 45 Active Noise Cancelling Bluetooth Headphones - White SmokeBose QuietComfort 45 Active Noise Cancelling Bluetooth Headphones. White Smoke Version. Features: Noise cancelling wireless headphones The perfect balance of quiet, comfort, and sound. Bose uses tiny mics to measure, compare, and react to outside noise, cancelling it with opposite signals. High fidelity audio The TriPort acoustic architecture offers depth and fullness. Volume optimized Active EQ maintains balanced performance at any volume, so bass