Warning:<br />Current must never flow through the heart. Do not use if you have a pacemaker, are pregnant, if you suffer from epilepsy, or on any broken or inflamed skin.<br /><br />Mystim Thin Finn Urethral Sound. This long and smooth sound is perfectly suitable for the special stimulation of the penis. With some practice its 8 mm can be inserted easily into the urethra, and then create a stimulation like you have never felt before. The dildo is made of medical aluminum and polished neatly by hand. It can be warmed on the heater or cooled in the refrigerator. The temperature is long lasting and creates another kick. Length: approximately 9.84 inches (25.0cm e). Diameter: approximately .31 inch (0.8 cm e).<br /><br />Please note: this is an attachment for the Tension Lover Kit or Pure Vibes Kit. This does not include a power source.