does not work, but ...

I was not able to try it, because the product is well certe arrive protect in its envelope bubble but because unutilisable just does not. I called amazon that his accuper of all, I received an email from the seller to apologize and offer me a replacement.
So I can give you my opinion, however, in conserne service after sales amazon is perfect, courteous eager to do well and very effective. A erreure can happen ....