JBL Charge 4 review: Worth the money, kind of - SoundGuys
How to connect JBL speakers together
Was there ever a model of the JBL Charge 3 without JBL Connect? This video has a very oem looking JBL but with no connect plus, also some of their other videos
JBL Charge 5 Review - RTINGS.com
What is JBL Connect? - und was ist JBL Connect+ ? - FirstReview EU
JBL Connect Plus Screenshots, iOS Version - Tom's Tek Stop
JBL Charge 4 review: Worth the money, kind of - SoundGuys