Uses a 6V strong power and a new 6G controller that adjusts it in fine steps. The easy-to-grip and fatigue-free form allows you to enjoy playing without stress. Also, the back of the controller is equipped with an LED light to make it dark. It is useful for clearly seeing the part you want to see even while playing inside. Since the head part is large, heavy vibration that resonates to the snooze and core will lead the user to comfortable pleasure.