Hi samee007, we're glad that you're enjoying the upgraded features of these headphones. 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. If you have interest in connecting your headphones to multiple devices at once this can also be accomplished through the app. Thank you for choosing Sony. ~Ralph

Hi Jach, Great! We're glad that your investment is worth it. 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. Thanks for choosing Sony. ~Ralph

Hi jackie27781, Awesome! We're glad that happy with your purchase. The WH1000XM4 features our Industry-leading noise cancellation technology where you hear every word, note, and tune with incredible clarity, no matter your environment. These noise canceling headphones feature additional microphones that assist in isolating sound for a reduction of even more high and mid-frequency sounds. 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. Thanks for choosing Sony. ~Ralph

Hi sjjsjsjs, We're very grateful for this positive feedback! The WH-1000XM4 is a new design, with intelligent and intuitive Ambient Sound Control features that include improvements to Multipoint connection and our industry-leading Noise Cancelation, exceptional sound quality, and Smart Listening that adjusts to your behavior and location. Thank you for choosing Sony! Jay

Hi N30MX, Thank you for the feedback on your experience with your WH-1000XM4. Please follow these steps if you can't hear any sound or if the sound level is low from your headphones after playing audio from a connected source device. Turn up the volume of the headset and the connected device. Connect the Bluetooth device to the headset once again. Please make sure that the firmware version of the headphones is up to date. This headset has a Speak-to-Chat feature that automatically turns off the music when it detects any type of audio spoken by the person wearing the headset. Please turn off the Speak-to-Chat feature using the Headphones Connect app if you don't want the music to stop if you say a word. If you are unable to resolve your concern, please email us at socialsupport@am.sony.com with the following details: Name: Username: Model Number: Issue: Telephone Number: Sincerely, Sam

Hi ppap, You made the right choice with the Sony WH1000XM4 headphones! 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. Thanks for choosing Sony! -Ralph

Hi Fareed37393, We appreciate your review of the headphones. On this site, we are able to provide assistance for customers in the US and Canada. For further assistance regarding your product, we highly recommend visiting our Sony Global Web site for information on contacting the Sony Support Center in your region at http://www.sony.net/SonyInfo/Support/. Regards, Ralph

Hi Pranavプラナフ, Awesome! We're happy to hear that you like the Noise Canceling function of these headphones. It features the Industry-leading noise cancellation technology where you hear every word, note, and tune with incredible clarity, no matter your environment. These noise canceling headphones feature additional microphones that assist in isolating sound for a reduction of even more high and mid-frequency sounds. 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. Thanks for choosing Sony. ~Ralph