Love to bump. rub and grind? We've got the toy for you! The Rumbling Rider is ergonomically shaped to work your body. Simply sit on top and let your natural instincts take over. 2 motors send powerful rumbling vibrations to your sensitive nerves. Did you get that? Let's go over it again. These are powerful vibrations! This toy packs the punch of a full-sized sex machine into a petite package! Explore 10 vibration modes that will thrill you with toe-curling pleasure. Waterproof so you can ride and grind in the bath or shower. Body safe silicone is so smooth. perfect for really losing yourself in sensation. Rechargeable. ride for up to 45 minutes. Wireless vibrating grinder Dramatic curved shape 2 powerful vibrating motors 10 sensual vibration modes Waterproof Body safe silicone Rechargeable. ride for up to 45 minutes Water based lubes only