Not intended for contraception/birth control or treatment of erection conditions. Use no more than 30 minutes at a time. Allow 60 minutes between additional uses. Do not fall asleep or be under the influence of alcohol or drugs while using this product. Prolonged use without removal may result in injury to the penis. Consult you physician should any complications should occur and discontinue use. Category: For Men, Rings & Sleeves, Rings.