The Tsunami Elite Silicone massager from Synergy Erotic features 10 amazing pulse and vibration settings and is 100% submersible. Built with a memory chip allows you to turn off the vibrator and instantly return to your favorite setting. Designed for pleasure with vibrating g-spot tip and soft flexible shaft. Made from 100% silicone is hypoallergenic and phthalate-free. Requires 2 AA batteries not included.