・When you put the earphones into the charging case, the earphone's LED does not turn to red.
Vie Fit turns off the LED light when the earphone is fully charged. Please power on the earphone to see if it is charged.
・When the charging case's LED does not turn on.
Please press the button on the battery charger to find out the battery remaining. If the LED does not turn to blue, the battery is empty. Please charge the charging case using the attached USBC cable.