JBL Connect is not showing firmware update for Xtreme 2 anymore - YouTube
JBL Xtreme2 UPDATE 2020 - YouTube
Amazon.com: JBL Flip 6 - Portable Bluetooth Speaker, powerful sound and deep bass, IPX7 waterproof, 12 hours of playtime, JBL PartyBoost for multiple speaker pairing for home, outdoor and travel (Black) : Electronics