The Electro Cock Ring set by Ouch! A complete set that's ideal for men who sometimes use electronic stimulation. The regulating unit sends the impulses to the two silicone straps, which stimulate the balls and penis with soft tickles or intense throbbing. Stimulate your nerves! Refrain from using the following situations: Those people who suffer from any of the following diseases or are showing any symptoms should not use the electro massager set for low-frequency treatment. Heart disease, users of pacemakers, high fever, acute (painful) diseases, abnormal blood pressure, menstruation, pregnancy or after giving birth, on or around cuts and / or skin diseases, malignant tumors, when the body is wet from bathing / showering or sweating, tuberculous diseases, people receiving medical treatment should consult with physician prion to using the massager. - Includes 1 x CR2032 battery