Best Buy: Amazon Echo (2nd Gen) Smart Speaker with Alexa Dark Wood Walnut B0752151W6
Buy Amazon Echo Plus (2nd Gen) Smart Voice Activated Speaker, Black at Reliance Digital
Amazon Echo Plus (2nd Generation) Review | PCMag
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.com: Echo (2nd Generation) International Version – Charcoal Fabric : Amazon Devices & Accessories