The power to pleasure can be in your hand. The discreet ring needs just one touch to control the ten function bullet vibrator from fifty feet away. Use the vibrator alone or slip it in to the super-stretchy MasteRing cock ring for stimulating vibes during sex. Be the master of yours and their pleasure. Reusable - 80+ minutes of battery life - SEBS plastic - latex and phthalate-free - waterproof.