The Mark Levinson № 5909 headphones offer a luxurious listening experience with reference-quality sound, advanced Adaptive ANC, and up to 34 hours of playback. Designed for audiophiles, they feature high-resolution wireless audio, 40mm beryllium-coated drivers, and personalized sound controls via the Mark Levinson app. With premium materials, including anodized aluminum and leather, and crystal-clear call quality, these headphones deliver exceptional performance and comfort for both music and calls—whether at home or on the go.