A:AnswerNo, our JBL Charge 4 uses USB Type C connection to be charged which you can get from any electronics store. If you need more help, please fill out the self help service link so we can assist you:https://bit.ly/3hH8oBR
A:AnswerPlease make sure that your JBL Charge 3 has the latest firmware so that it can connect with the JBL Charge 4. Connect your Charge 3 to your phone and run the JBL Connect App (turn on location). The app will automatically show a notification if your Charge 3 has an update.