Just a reminder for those who are interested in the Boom Plus.
It says
So that means it can connect with another Partycast or with another Boom Plus.
So for example it would not pair with the Boom as that’s not a Boom Plus and not Partycast.
While it does explicitly state it will connect with any Partycast speaker, I have a healthy skepticism that Partycast 2 will work with a Partycast, waiting for someone who gets the Boom Plus and owns a Partycast speaker to prove works.