HD Noise Canceling Processor QN1 and Bluetooth. Personal Noise Canceling Optimizer. Atmospheric Pressure Optimizing. Adjust ambient sound with Sony Headphones connect app. Speak-to-Chat. Adaptive Sound Control. Sensor detects wearing headphones or not. Up to 30 hours of battery life. Voice Assistant with Google Assistant or Alexa built-in. On earcup controls. Swivel folding storage. 1.57" Dome driver. Noise Canceling on/off switch. Includes: Carrying case. Plug adaptor for flight use. Headphone cable. USB-C cable.