Very good device. Except for Brown has -as numerous other manufacturers also- the battery firmly installed and the caseback sealed. If the battery is defective, you can discard the appliance. Allegedly -so lignite complete water tightness is ensured.
So: Who is in the shower brushing teeth ......
Of course, absolute nonsense and perfected rip off. Nevertheless, the device is one of the best on the market. And because of this rip-off, there is only a mediocre rating.
