Meet the new Eva II, a hands-free, distraction-free vibrator designed to provide women the clitoral stimulation they want during penetrative sex. Staying in place with the help of two flexible wings which tuck under the labia, Eva II is designed to stay out of the way in the moment, giving you a boost of stimulation while leaving your hands free to move around and focus on intimacy. Compare Eva I to Eva II: Button Placement - Eva I's button is front and center, while Eva II's button sits right on top, for easier and more intuitive access. Wings & Fit - Eva II has shorter wings and a slightly different profile, for better all-around fit. Size & Weight - Eva II is 10% lighter and 18% smaller (volume-wise) than Eva I. Get Wet - Eva II is fully waterproof (so, totally submersible), while Eva I is water *resistant* (it can handle a lil' splash). Good Vibes - Eva I and Eva II have the same three vibrating modes/levels, but Eva II's got more rumble Charging - A USB cable plugs right into Eva I's body, while Eva II has a sleek wireless charging case to both charge and transport in Materials: Medical Grade Silicone Color: Quartz 3 year warranty.