GitHub - pembem22/connect-plus: An Android app to connect and configure JBL Bluetooth speakers with additional functionality like flashing custom firmware and stereo audio playback with different speaker models.
How JBL Connect and Connect Plus works - YouTube
Does the JBL Charge 3 have Connect Plus? (Explore) – audiolgy.com
What Is The Difference Between JBL Connect And Connect Plus? - The Gadget Buyer | Tech Advice
How To Connect Multiple JBL Speakers Together? (2 Steps)