Take it in the shower, take it in the bath, take it in the hot tub, take it in the pool - for that matter, take it in the ocean! There's no limit to where this compact mini massager can go. Wherever you want to experience the sexual pleasure of the vibrating nubs on this little vibe, you can. Don't go anywhere where's there's potential for wet and hot, without bringing the black Mega Mite into the equation. Requires one AA size battery, not included.