recorder usb wanted

Hallo to all.
I am looking for a good impermeable or underwater clock USB with voice
recorder function, even like that one of the cellular phone, where you
click a button and it register, but I can't find it.

I need it becuase I've always got a lot of idea and things to note so I want something where I can register them and that
I can bring everywhere: in the swimming pool, under the shower, while I am jogging ecc.

You never know when the right idea arrives!!

I bought something like that, the casio DBV 3000, but it wasn't
impermeable .
I bought a chinese one too, it says "water resistant", but when you go
under the water a few humidity passes and the contacts are oxidized
therefore it doesn't works anymore.
Anyone knows a truly impermeable or water proof model?
Any suggestion or link?
Thanks to anyone that can help me.

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