Assertion: echo's button | /r/CapableOf | activate alexa
Facets:
Source sentences:
text: Amazon announced the Echo Loop in September 2019, a smart ring with a button that activates Alexa.
text: As before, the top of the Dot is ringed with LEDs that light up blue when Alexa is listening; you'll also find two volume buttons, a button to turn the microphone on and off, and a button to activate Alexa.