The Auxfun sex machine is a very cost effective professional machine that has many quality components and features. The machine speed is adjustable from 0-450 times per minute via a handheld remote. Turn the dial a little and this sex machine moves a little faster or slower, you are in control. This gives you the ability to find the speed that suites your taste for maximum pleasure. The Auxfun sex machine is very versatile and can be used either by the male or female user alike.