The best truly wireless noise canceling headphones on the market.. The best truly wireless noise canceling headphones on the market.. Sonys best ever call quality with AI based noise reduction algorithm and bone conduction sensor.. Speak-to-chat technology automatically reduces volume during conversations. Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on. Talk and only hear ambient sound using Speak-to-Chat which pauses the music when you start talking.