The Ofinity Plus double erection ring constricts blood flow for concentrated enhancement that lasts and accommodates almost any size member. Helps keep erections harder for longer, and to prevent premature ejaculation. This dual-action sex toy for men also helps increase sensitivity and promotes more intense and powerful orgasms. Includes a bullet with a strong single-speed motor. Replaceable AG13 batteries last 60-plus minutes. Box of 6 units, assorted colors.