Amazon Echo is a range of smart speaker developed by Amazon. And to understand how it works, pay attention to the points given below: * Before you can use it, you need to set it up and activate Alexa. * After you have installed the app and made the necessary setups, use the wake word ‘Alexa’ and proceed with the commands. * And to understand you, it uses a seven microphone array for recognizing far-field voices. If you have any doubts or if you need any help you can talk to the representatives at Amazon Echo customer support number. Read More Echo Alexa Support Number