Echo devices are designed to detect only your chosen wake word (Amazon, Alexa, Computer, or Echo). The device detects wake word by identifying acoustic patterns that match the wake word. Once the word is detected, audio begins streaming to the cloud, including a fraction of a second of audio before the wake word. No audio is stored or sent to the cloud unless the device detects the wake word (or Alexa is activated by pressing a button).
Amazon Alexa app Organize your day, to-do-lists, view shopping, know the weather, news updates, alarms, and more. Easily setup your music by Alexa setup. Connect Alexa app to services you already use like Amazon Music, Pandora, Spotify, and more to play them on your Alexa-enabled devices. Also, you can create groups of compatible Echo devices to play music in your rooms.
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