Bests & Worsts Reviews from Amazon

We are returning the 4th Gen Echo Dot after trying unsuccessfully for nearly two months to get it working properly. Do not buy until they suss out the mic. I sit less than 30" away from it, and it does not respond to the wake word. I have to shout at it so loud that the 3rd gen Dot in the living room downstairs responds. If I press the Alexa button, it responds to commands. If I unplug the power, let it sit for 60 seconds, then plug it back in, it responds to the wake word for a while. If I walk away from it for an hour or two after rebooting it, the Echo is back to not responding to the wake word. This device is of no use if I have to keep power it cycling manually to make it functional. No, the mic is not on mute.