The Macho Stallions Vibrating Ultra Erection Keeper super stretchy enhancement ring for both couples. Super stretchy erection ring. Vibrating clitoral stim-u-nubs for her and a dangling ball bangers. For extra stimulation and super orgasms. Erection Ring provides for testicular and clitoral stimulation. Easy to operate. Push button power control. 7 speeds powerful. Waterproof vibrations for play outside the bedroom. Waterproof sex toys with this designation are safe for use in the bath or shower. Do not submerge for long periods of time and take care to thoroughly dry after each use.