Summary: The ES-RF31-S4 Shaver can be used wet or dry. It can be used in the shower or in your car. Doesn't matter because it does not work worth a spit. I have tried just about every product assist I can find and nothing seems to help.
Summary: I bought one of these and was so pleased I told my son who also bought one. My joy was not to last. I had and still have a Phillips 3 headed Phillishave at the time and I still have and use this one as it LASTS AND LASTS.
Summary: The price of near £40.is crazy when I can by a whole new same model for £70. My foil had a hole in it within 2 weeks and Panasonic refused to examine it for faults. I will never buy any of their products again .