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Hi Rush, Thank you for your inquiry. The WHCH520 doesn't have a mute button. You will need to use the mute function of the connected audio device to mute the microphone. To learn more about the parts and controls of these headphones, please visit its Help Guide (can be found in Sony's support website) and search for "Location and function of parts." With the WH-CH520 headphones, you will enjoy high sound quality all day long. With up to 50 hours of battery life, stable connectivity, and enhanced call performance, meet the demands of your day. Thank you very much for your purchase and for choosing Sony! - Romeo
Sorry, there was a problem. Please try again later.no they don't
Sorry, there was a problem. Please try again later.The earphones don’t but when you connect them to Bluetooth on your tv they mute the sound from the tv so others can sleep or read undisturbed.
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