Using this vibrating erection ring is easy. First, make sure the AG13 batteries are properly inserted. Then, place the ring around the base of the penis. You can turn it on and use the different speed and pulse settings to find your preferred level of stimulation. Remember, this product is for external use only. Avoid using it if you have any open wounds or skin sensitivities. After each use, clean it with mild soap and warm water. Make sure it's completely dry before storing it in a cool, dry place. Also, replace the batteries when they start to run low to keep it performing at its best.