Immerse yourself in the world of incredible sound with the Bose QuietComfort 45 over-ear noise cancelling Bluetooth headphones. They allow you to listen to music for up to 22 hours in one charge, while the Acoustic Noise Cancelling feature lets you adjust, compare, and measure the sound according to your external environment for a more personalized sound experience. | Bose QuietComfort 45 Over-Ear Noise Cancelling Bluetooth Headphones - Triple Black