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Using a new algorithm the HD Noise Cancelling Processor QN1 then applies noise cancelling processing in real time to a range of acoustic environments. Sony WH-1000XM4 Wireless Noise Canceling Over-Ear Headphones (Silver) Bundle Silver Over The Ear Condition: New Headphone Connection: Wireless Headphone Features: Noise Cancelling Included Items: Sony WH-1000XM4 Wireless Noise Canceling Over-Ear Headphones Silver Bundle Dimensions: 6. Ambient Sound Control Adjust ambient sound with the Sony Headphones Connect app to cancel noise while still allowing through essential sounds like transport announcements when you are listening on the move.