Connect the USB connector of the power cable to the orange power adapter and connect it to a 220V voltage source.
Put the charger in your shoe with the electronic module.
The LED flashes slowly when charging, and flashes quickly or stays off if the charger is incorrectly positioned.
You can also connect the XSole PTI charger to a USB socket (external battery).
Watch XSole PTI battery charging video tutorial for a better understanding.