JBL LIVE650btnc not powering off (How to fix)

This video explains what to do in case the JBL LIVE650btnc wireless Bluetooth headphones do not shut off anymore. The solution to the problem is to perform a factory reset. During this process the headphones are reset and the power button is going to start functioning as usual again. Just consider that it is necessary to pair the headphones to your smartphone again, since they forget about all previously paired devices. This procedure may also work for other JBL headphones with a similar issue.