Prepare to be captivated by the sleek lines and sheer power of the Duo Obsessions Edition. With a master on-off switch, independent motor controls, 15 speed combinations, cobalt blue LED lights and 2 powerful motors, the Duo Obsessions are truly ''state-of-the-art!'' - 15 speed combinations - 2 powerful motors - Easy push button controls - Cobalt blue LED lights - Waterproof - Made from body safe ABS - Phthalate and latex free - Maximum intensity with minimum noise - Requires 4 AAA batteries