How do I turn the sound off on my smartwatch? To disable sound alerts, swipe down and tap the speaker icon. When it’s no longer highlighted, your watch will only vibrate. Related articles How can I change vibration strength of my smartwatch? How do I listen to and store music on my smartwatch? How do I change my watch face? Why won’t my watch take calls, even though I enabled it to? How do I get the latest watch faces?