Description:The intensity of the movements can be controlled by you, noises, or directly by your customer. And usually will last hours straight of continuous use. The spirals on the neck are a lube trap that keeps the mess contained while easy to remove when finished. Comes in different diameter sizes. The Brand New Ambi is the most versatile powerful, bullet vibrator ever. The unique hammer head shape is specially designed to target broad areas, specific, or super pin point hard to reach spots. It is fully software capable as well for use with camshows and has about 2 hours of consistent use hour life with a rechargeable battery.