With an improved design as well as revolutionary new features like Smart Silence and Autopilot, the Womanizer Premium is the must-have stimulator of the year! Autopilot creates completely random stimulation patterns for a new feel every time Smart Silence turns it on and off for the most discreet experience ever Patented Pleasure Air Technology uses air pressure to drive your clit wild 12 stimulation modes with all-new intensity levels giving everyone something to enjoy Fully waterproof for fun in the shower, tub or pool Measures 2 inches wide at the top by 6 inches long overall Made from ABS plastic with body-friendly silicone tips Rechargeable stimulator can run up to 4 hours 2 multiple-sized suction heads, silk storage bag and detailed directions included Designed to go from super soft to super powerful in an instant, the Womanizer Premium will change how you think about sex toys and how you experience the Big O! The Premium newest technology starts with the revolutionary Autopilot feature. This unique function generates a completely random series of patterns each time you use it. You never know what to expect, so Autopilot will keep you on your toesâ€¦ while making them curl at the same time! The Premiumâ€™s next new feature makes it more discreet than ever thanks to Smart Silence technology. This unique feature turns the stimulator on just before it touches your skin. And turns it back off when you remove it. That makes this new Womanizer much quieter than any earlier model to protect your privacy like never before.