Maintain firm erections and prolong ejaculation with this Vibrating Ball Banger Cock Ring. The super-stretchy ring puts a squeeze on performance letdowns by helping you control ejaculation. But its not just for him - she?ll love the one touch micro bullet vibrating against her clit! With each thrust, the energising steel ball swings and taps against you and your partner, adding extra stimulation for the both of you. - Requires 2 LR1130 Batteries (included)