Noise Cancelling. Basically it detects and analyzes the sound pattern of incoming noise and then generates a mirror anti-noise signal to cancel it out. Think of it as adding -1 to 1 and you end up with zero.
The end result is that you hear a drastically reduced level of noise. Active noise cancellation Active noise cancellation uses more advanced technology to surprise actively counter noise. Noise canceling is good for the price though not up to the level of the Sony WH-1000XM4 or Bose Noise Cancelling Headphones 700.
Noise is energy and it bounces off hard reflective surfaces.
Full support for any headset microphone and speaker. Bose QuietComfort 35 II Wireless Bluetooth Headphones Noise-Cancelling with Alexa Voice Control - Black. It continues to accelerate and compounds upon itself. Read full article Top Pick.