A compact, capable version of Amazon's top shelf smart speaker - CNET
Best Buy: Amazon Echo (2nd Gen) Smart Speaker with Alexa Charcoal Fabric B06XCM9LJ4
Amazon.com: Made For Amazon, Battery Base in Black, for Echo (4th generation). Not compatible with previous generations of Echo or Echo Dot (1st Gen, 2nd Gen, or 3rd Gen). : Everything Else
Amazon Echo review (2017): Good price, bad sound | Engadget
Amazon Echo Plus (2nd Generation) Review | PCMag
The new Amazon Echo improves upon the original, slashes the price - CNET
Amazon Echo Dot (2nd Generation) - Black - Newegg.com
Amazon Echo 2nd Gen Home Music Smart Assistant Wireless Speaker Works With Alexa | eBay
Amazon Echo Dot (2nd Generation) RS03Q- Smart speaker with Alexa - Black & White | eBay
All-new Echo (2nd Generation) with improved sound, powered by Dolby, and a new design - Charcoal Fabric - Newegg.com