If you are looking for something powerful, this is a must add for your collection. When inside, you can feel the vibrations everywhere! Though, it does eat batteries and can make you go numb by the power.
The most helpful critical review
Big Blue Vibe
If you only have a few dollars and are in desperate need of a vibe-this may be for you. Otherwise, I would say spend the additional ten or twenty to get something that you would be happy with.