The Beats Pro High-Performance Professional Stereo Headphones (Black) headphones from Monster provide reference-quality audio in a stylish design, ideal for sound engineers, DJs, musicians, and hard core music lovers. The lightweight and durable aluminum frame stands up to long-term professional use and also won't resonate and introduce artifacts that interfere with your sound. Proprietary Monster driver technology and materials deliver extremely accurate audio, and since no amplification or noise cancellation circuitry are used, you hear clean sound and deep bass without added frequencies and coloration. The padded, adjustable headband fits virtually any head size for hours of comfortable listening. The unique flip-up ear cups make it easy to monitor your surroundings without completely removing the headphones. The ultra-thick high-density foam ear cushions provide lasting comfort and excellent noise isolation. They can also be removed and washed to increase longevity.