Get your Sony headphones at a discount now during the End of Year Deals. These promotions are valid between 11 December 2023 and 31 December 2023. Choose the Sony WH-1000XM4, for example. These over-ear Sony headphones have strong noise canceling. As a result, you hear less of your surroundings and you can focus on your work. Want light headphones? Go for the Sony WH-CH520 or the Sony WH-CH720N.