The ffix Bullet just got a whole lot bigger. Feel the super power of this retro-style slim bullet. With 10 vibration modes, one button, and a flexible tip, this extra large bullet will become your new fix. 10 Vibration Modes One Button Battery Operated (4x AAA) batteries not included Waterproof 30 day limited warranty. Requires top quality, Alkaline batteries such as Duracell, Energizer, and other top brands.