The Bose QuietComfort 45 QC45 Wireless Over-Ear Active Noise Canceling Headphones are high-quality headphones designed for studio monitoring, music, DJ, and live monitoring. With a frequency range of 20Hz-20KHz and a driver size of 45mm, these headphones provide clear and accurate sound reproduction. The wireless technology allows for freedom of movement while the active noise cancellation feature ensures a quiet listening environment. The black color and sleek design make these headphones a stylish choice for professionals and music enthusiasts alike. Made by the trusted brand Bose, these headphones are a reliable and top-of-the-line option for anyone seeking premium audio quality.