Amazon.com: LTGEM Case for JBL Flip 4 / Sonos Roam Waterproof Portable Speaker. Fits USB Cable and Charger : Everything Else
Integrate JBL Partybox into Sonos? : r/sonos
Sonos Roam: Best mini wireless speaker ever? | The Sonos Roam is small, lightweight and fairly affordable at $169 (for a Sonos speaker anyway). Sonos calls it the best ultraportable wireless speaker...
JBL takes on Sonos with its multi-room Authentics home speakers