This powerful Doc Johnson OptiMale Vibrating C Ring is made for pleasuring you and your partner. Featuring a textured yet soft, stretchable silicone ring for easy use and a removable bullet in a nubby sleeve for comfortable stimulation. The push button waterproof bullet offers 10 unique functions. Wear the ring atop the shaft for targeted clitoral stimulation or under the shaft or testicles for self stimulation. Phthalate free. batteries included. 10 function bullet. Removable, push button, waterproof vibrations. Total length 2.7 inches. Usable length 2 inches. Width, diameter 2 inches. Circumference 6.30 inches. Batteries required, included 3.