The JBL Tune 660NC Over the Ear Wireless Headphones in Black offer a frequency range of 20 Hz to 20 kHz with 32mm drivers, providing high-quality sound for studio monitoring, DJing, general use, and live monitoring. With Bluetooth wireless technology, volume control, a rechargeable battery, and active noise cancelling, these headphones offer convenience and versatility. The foldable design and built-in microphone add to the overall functionality of this sleek and stylish pair of headphones from JBL.