Rimba Electro Play bipolar penis dilator device. This sound can be put into the urethra. 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.