Rimba Electro Play bipolar penis dilator device. This large sound can be put into the urethra but can also be used as small dildo. As long as both parts divided by the black ring are touching the human body, a shock can be applied. Always be careful, do not use if skin is broken or iritated, when you have heart problems or are pregnant. Tip: use rimba contact gel ref # 3000 or a lubricant. The sound has a 2,5 mm jack plug that conncts directly to all Rimba Power Box devices.