The spinning or flashing green light means you have a shipping notification. If a light bulb just went off over your head as it did ours, ask Alexa to play your messages, and the green ring should disappear.
Why is my Alexa blinking yellow and not responding?
A flashing yellow light on your Echo device means that you have a notification or a message from an Alexa contact. If you see a flashing yellow light on your Echo device, try the following steps: Say, What notifications do I have? Say, What messages do I have?
Does Alexa announce a drop in?
How to use Alexa Announcements. Similar to Drop In, Alexa Announcements gives your Alexa devices the ability to broadcast to your Amazon Echo devices around the home. Like Drop In, Announcement mode enabled you to connect to other Echo speakers without someone answering, but its not two-way audio.