The first JBL speakers featuring the JBL Connect technology are: JBL Flip 3, JBL Pulse 2, JBL Xtreme, JBL Boost TV and JBL Charge 3, SB 450 A firmware upgrade is available for the JBL Charge 3 ,which will upgrade Connect to JBL Connect+. After this fw upgrade, it is no longer possible to connect the Charge 3 with other products which have JBL Connect ( Flip 3, Boost TV, Pulse 2, Xtreme )