How to group multiple Amazon Echo devices for music
Amazon’sEcho devicessupport multi-room audio, but you need to use the Alexa app to group them up. This feature lets you play music across multiple Echo devices in your home at the same time. But there are caveats: the feature is only available in a few countries, and it only supports music, specifically, as well as certain devices and services. Here’s what you need to know and how to set it up....