A mute switch is a small button or switch on a device that stops sound from coming out. When you switch it on, the sound is turned off, and when you switch it off, the sound comes back on. Full definition
Read on as we walk you through the configuration process and highlight why you would want to use one setting over another (and how Do Not Disturb differs from using the physical mute switch on iOS devices). (howtogeek.com)
The Mutator is a hardware mute switch for your iPhone. (cultofmac.com)
You can't switch up the activation phrase, but as with the Echo, there's a physical mute switch on the front of the device which can keep TV ads and toddlers from accidentally triggering a search. (fieldguide.gizmodo.com)