I found the Crystal High Intensity Bullet to be extremely powerful, and exceptionally worthwhile. The packaging claims that it is waterproof, but I was too coward to try it out in water.

On it's lowest setting, it is quite wonderful. The small size is great for stimulating the clit, but not for much else. On its highest power setting, it vibrates so hard its hard to tell its vibrating, which is perfect for just the right moment.

It ranges from quiet to quite loud, so caution should be used when trying to be private. It can certainly be heard through covers, and at its loudest, probably outside of a room.

The bullet has a button to press to increase speed, with a light indicator. Once your hands get a little slippery, however, it becomes hard to adjust without inconveniencing the moment.

The high intensity bullet is best for female masturbation, in my opinion. Because of its size, couples may not find it as exciting. It could be used during cunnilingus, of course, to an astounding affect.

The bullet is not good for anal, because it is much too small, but that comes with the territory of buying the product. It is not what it was made for.

It could even be used for massages; its great at working out knots by slowly increasing power.

I say the High Intensity Bullet is great for single women looking for a little fun. The small size makes it easy to hide, or even to carry in a purse. While it shouldn't be used in a crowded room, or around other people, but it can be fun to slip into a bathroom, and the bullet is great for that.

Overall, I would recommend the High Intensity Bullet to all of my single girl friends.