Amazon Alexa is one of the best voice assistants, apart from Google Assistant. Amazon Alexa is a smart home platform as well as a personal voice assistant that powers all Amazon smart home devices.
You can make your Alexa speaker louder or softer using voice controls, the physical buttons or your Echo speaker, or the Alexa app.
You can set up Alexa on your Amazon Echo or Echo Dot device using the Alexa mobile app, or on Echo Show using the built-in screen.