The Zeus Electrosex Urethral Sound is not for beginners. Many men have discovered an incredible wealth of pleasure in urethral insertions. For a long time, sounds have been available for this purpose. The electrical urethral sounds take it all one step further. Split into two poles, it runs a current from one end to the other through the penis of the user for an incredible experience. At 5/16 of an inch wide and 7 inches long, it is not a toy for beginners. For advanced users, it is said to create an unparalleled happy feeling. Can be used with or without a power box. Zeus Power box, not included. Sold separately.