The Echo Dot differs from the Echo in that it lacks the huge speaker that takes up most of the cylinder on the original Echo.
It has a speaker that is much smaller and of poorer quality.
An external speaker cannot be connected to the original Echo.
The Dot is otherwise identical to the Echo, and it can execute all of the duties of any other Amazon Echo device.
The Alexa personal assistant functions in the same way and has access to the same skills and activities library.
For More Details Click Below