Whenever I told my Echo Dot, or Echo to "disconnect" from my Logitech bluetooth adapter, it would reply that it disconnected, and then, within a few seconds it would reconnect. I read in a previous post that this was caused by the bluetooth adapter automatically sending a connection request. It was thought that the solution was to power off the bluetooth adapter. However, I found that if I told the Echo, or Echo Dot, to disconnect a 2nd time, after it reconnected, then it stayed disconnected. In other words, you have to disconnect twice. Tell it to disconnect, then let it reconnect, then tell it to disconnect again and that seems to be working.