Hi @Adrienne Aiken
If the micro USB charge port is just loose or it is broken, it can either be re-soldered to the board or replaced.
Here’s the HMDX Jam Battery Replacement guide that may help.
I realize that it is for the battery replacement and not for the charge port but it will help you to gain access the charge port.
Here’s an image taken from Step.4 of the guide that shows the charge port. The board will have to be removed from the speaker case and you will need to have smd (surface mount device) soldering tools and skills to do the repair to the charge port i.e. re-solder original or unsolder original and solder in replacement.
(click on image to enlarge for better viewing.
If the USB connector is faulty and not just loose from the board, compatible replacement micro USB connectors are available online, (supplier example only to show part and cost). There may be other suppliers that suit you better. Just search for HMDX Jam micro USB charging port connector to get results.
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