“I'm getting some sound feedback, assuming from the microphone. I turned on noise cancelling and this seems to help somewhat. Can the microphone be turned off when not in use to control this? Any suggestions?”
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Hi AMV, Thank you for your question! We're sorry to hear some issues that you are experiencing with your WHCH720N headphones. Let's work together and troubleshoot the problem. If you hear noise or unusual sounds on the headphones, please check the following below: Ensure that the headphones are worn properly. Update the firmware of your headphones to the latest version as it includes key features, applications, bug fixes, and feature improvements. Some devices that emit ultrasonic sound waves designed to repel rodents may occasionally be installed at the entrances of commercial facilities or subway stations. Near such devices, the ultrasonic sound waves may cause noise or unusual sound to be heard from the headset. Leave the place where the noise or unusual sound is heard. Or turn off the noise canceling function/Ambient Sound Mode from the “Sony | Headphones Connect” app. When making or receiving a call using the headphones, your voice and other sounds are picked up from the headset’s microphone (Sidetone function). In this case, ambient sounds or the sounds of the headset operation may be heard through the headset, but this is not a malfunction. Please note that the volume level and sensitivity of the Sidetone function can't be adjusted, and the function can't be turned off. May we contact you to help? Unfortunately, due to the current Best Buy phishing protocol for your protection, we cannot provide a direct email or phone number for customer support as of now. Please find Sony Electronics' Support information: Go to our support website > click on “Support” > scroll down click on “Contact Support” > click on "Headphones" and from there you'll see different ways to contact us. We are sorry for the inconvenience and hope to speak to you to resolve this matter. - Kris
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