The Echo Dot (3rd Gen) is very similar to the 2nd generation model, but with a fabric covering. While the functions are the same, the 3rd generation model comes with a year warranty, a higher price point, and improved sound quality.
Echo Dot (3rd Gen) review
Echo Dot 3rd Generation Review (3rd Gen. vs. 2nd vs. 1st)
Echo Dot 4th Gen (2020) review: have a ball - The Verge
A close look at the Echo Dot mini-speaker (pictures) - CNET
Get an Echo Dot for just 99 cents with this deal
Echo Dot 5-gen vs Echo Dot 4-gen
2022 Echo Dot 5th Gen Smart Speaker, Deep Sea Blue
Echo Dot (3rd Gen) Smart Speaker with Alexa Sandstone B07N8RPRF7 - Best Buy
Echo Dot 3rd Generation Overview, Integrate nearly any speaker into your Alexa ecosystem with the charcoal 3rd-generation Echo Dot. It
Echo Dot (3rd Gen) - Smart speaker with Alexa - Charcoal Fabric
Echo Studio Dimensions & Drawings
Best Echo Alexa smart speakers 2024: Echo Dot to Echo Show
Echo Dot (3rd Generation) Review
announces new Echo devices: Echo Pop, Echo Show 5s, cheap Echo Buds
Echo Dot 3rd Gen Smart speaker Teardown
New Echo devices: $50 Echo Buds, $40 Echo Pop speaker