Sony WH-1000XM4 wireless premium noise canceling headphones in very good condition. Fully functional, comes with case and audio/USB-C charging cables. • Premium noise canceling with Dual Noise Sensor technology • Next-level music with Edge-AI, co-developed with Sony Music Studios Tokyo • Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback) • Touch Sensor controls to pause/play/skip tracks, control volume, activate your voice assistant, and answer phone calls • Speak-to-chat technology automatically reduces volume during conversations • Superior call quality with precise voice pickup • Wearing detection pauses playback when headphones are removed • Seamless multiple-device pairing • Adaptive Sound Control provides a personalized listening experience • Updated design relieves pressure for long-lasting comfort