Clitoral Stimulation With Air Pulse Technology - The Satisfyer 2 uses contactless pressure wave technology to provide sensations of suction and pulsations, similar to the sensations you feel during oral sex. Quiet and Discreet - The Satisfyer 2 has a stronger engine than its predecessor, but is quieter and more discreet than ever. When the silicone head that protects the skin surrounds your clitoris, you will barely hear a sound! 11 Intensities - You can easily increase or decrease the intensity of the Pro Deluxe. And with eleven intensities to change, you are sure to find the sweet spot that gives you intense pleasure. Waterproof - The Satisfyer 2 has an IPX7 waterproof rating, making it perfect for the bathroom. It is protected against immersion in water up to one meter deep and up to thirty minutes of use. Portable and Perfect for Traveling - Satisfyer 2 is the perfect size to fit in your luggage, and since it works with AAA batteries, there is no need to worry about bringing international adapters on your trip!