The JBL Live770NC Wireless Over-Ear Bluetooth Headphones in Black are designed for music enthusiasts, especially DJs and live monitoring professionals. With a 40mm driver size and a frequency range of 20 Hz - 20 kHz, these headphones deliver high-quality sound. The noise-cancelling feature ensures a clear audio experience, while the built-in microphone and wireless technology provide convenience and ease of use. The stylish headband form factor and sleek black color make these headphones a fashionable and functional choice for anyone looking for top-notch audio quality.