Doxy Die Cast 3R - Blue FlameDoxy Die Cast 3R is the first rechargeable electric massager from Doxy. Capable of reaching up to 9,000 RPM, Doxy is the world's most powerful electric massager. Made from aluminum and cast on site, the weight and mechanism inside the Doxy's head mean it rolls and rumbles, rather than buzzes. Offering powerful vibrations that penetrate deep into the body, it's extraordinarily effective when used as a general body massager, or for intimate intentions.