Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones with Mic

Used a handful of times. Work great just don’t really used them anymore. - Industry-leading noise canceling with Dual Noise Sensor technology.Specific uses for product : Audio.Frequency Response : 4Hz-40,000Hz..Headphone Type : Closed, dynamic. Frequency Response : 4 Hz-40,000 Hz - 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) - The WH1000XM4 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