About this item: 
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