A:Answer Hi questioner, Thank you for your interest in our Sony WH-1000XM4! For the availability of this product, please reach out to your authorized dealer for further assistance.
Intelligent and intuitive, the WH-1000XM4 headphones offer further improvements to our industry-leading noise cancelation, exceptional sound quality, and smart listening that adjusts to your behavior and your location. Using the Sony Headphones Connect app, Ambient Sound Control lets you adjust the volume of background sound and gives you the option to allow voices alone to be heard. Meanwhile, the Equalizer lets you customize sound levels to suit your music.
Regards,
Sam