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Connect the mini-USB end (small end) of the
cable to the charging case, and connect the
USB (big end) to the wall charger.
Insert the hearing aids inside of the charging
case.
Check the amount of charge on the front side of
the charging case: when charging, each bar will
glow ashing blue or solid blue to display the
power capacity. If all the blue lights are on (solid
blue), the device is completely charged.