There's also an Echo exclusively for use with the 3.5 mm jack https://techcrunch.com/2018/09/20/amazon-introduces-the-echo-input-its-first-echo-without-a-speak

There's also an Echo exclusively for use with the 3.5 mm jack https://techcrunch.com/2018/09/20/amazon-introduces-the-echo-input-its-first-echo-without-a-speaker/ https://techcrunch.com/2018/09/20/amazon-introduces-the-echo...