Prepare to be captivated by the sleek lines and sheer power of the 7.25 x 1.5 Duo Obsessions Entice from Evolved. With a master on-off switch, independent motor controls, 15 speed combinations, cobalt blue LED lights and two powerful motors, the shower and bath-friendly Duo Obsessions are truly state-of-the-art. Takes three AAA batteries, sold separately.