Ammunition for love. Perfect for use in any Tantus vibrator. the Tantus 3-Speed Original Bullet is waterproof. has three speeds. a push-button controller. and is powered by a replaceable N1 battery. It can also be used on its own. and fits discreetly in a purse. pocket. or glove compartment. The pointed tip provides precise stimulation. Length 3 inches. Diameter 5/8 inch.