Excellent condition noise cancellation headphones! like new Included is everything in the photos - headphones, case, aux cord. These seriously cut down ambient noise Link to description on {url removed} : {url removed} Pure music. No distractions. Your favorite tracks, almost noise free. Traffic. Construction. People chatting. Hear your favorite tracks played back without outside interference with the MDR-10RNC. Built-in Digital Noise Canceling removes up to 99.4% ambient noise, so you have the soundtrack you deserve. Big bass sound Feel every thumping beat from a large, powerful driver. Wide frequency response Hear low subs and crystal clear vocals with an extended range of sound. Music without disturbance Advanced noise canceling Keep the outside world at bay. Sony’s unique DNC software engine and Dual Noise Sensor technology reduces everyday sounds by up to 99.4% so it's just you and your music. Listen for up to 20 hours on a single AAA battery, even with noise canceling on. Intelligent noise canceling automatically selects the optimal profile based on your listening environment. Dual Noise Sensors Inner feedback and outer feedforward microphones mounted on the earcups cut out almost all unwanted sound for an immersive experience. Bold, balanced sound Pile on the power and enjoy the clarity. Hear your music loud and clear with balanced and accurate sound reproduction. Every note is natural, even at high volume. Kick out the jams Feel the thump of the kick drum from a powerful 40 mm neodymium driver. The driver is positioned at just the right angle in the housing to maximize acoustics. The science of better sound By eliminating analog components in the feedback stage, the S-Master digital amplifier provides ultimate clarity and efficiency in amplification. Satisfy your bass craving Beat Response Control uses sculpted air vents for clean, undistorted bass. These vents optimize low frequency airflow to accurately reproduce deep bass rhythms and beats. Designed for purity Sound that stays true to the original Hear more of your music with a closed-back, wrap-around design that fits securely over your ears. Comfortable to wear for hours on end so you can listen for longer. Soft silicon rings Minimize sound interference in the earcup joints. Pressure-relieving earpads Seals in your music with a snug, comfortable fit. Your traveling companion Fold flat for easy storage Take them to work, on holiday, or down to the park. Swivel earcups and a supplied pouch keep everything secure and tangle-free while traveling. SPECIFICATIONS Smartphone compatible, with inline remote mic Ultra-clear digital noise canceling technology 20 hours of battery life* (*with DNC activated) S-Master digital amp for pure sound quality Audio cord type, 4.92 ft length; Smartphone cord type, 3.94 ft length DRIVER UNIT 1.57 in dynamic – Dome type FREQUENCY RESPONSE 6–24,000Hz CORD LENGTH 3.94 ft Full Specifications