Alexa Plus is here but it's only supported by four Echo products as of now, and won't be supported by more than half a dozen Echo devices.

Amazon is bringing the new AI-powered Alexa Plus to a wide range of its existing Echo devices — but the upgrade will skip many of the earliest models. The majority of the company’s first-generation Echos won’t get support,

It's the biggest upgrade Alexa has ever received – but will it work with your devices, or will you need to upgrade to get the most out of it? On stage, Amazon's team mostly demonstrated Alexa+ using the latest Echo Show devices,