This little thing wasn't what I expected at all. The design of it seems a little backwards, as the vibrations come from the smaller end, which doesn't make sense. Overall, the vibrations are incredibly weak as well. It doesn't make too much noise and is waterproof. It's simple and easy to use, but it's lacking in the performance department. If other vibes are too strong even on low then this one might work, but it's not a good bet for those who like moderate (for a bullet) power.