By using a combination of any 2 of these single solid metal electro cock rings (sold separately) you can enjoy electro-sex tingles and orgasmic contractions throughout your full length or wear a single ring with any other uni-polar electrode to vary your play. You can even share a circuit with your partner for rhythmic sensations you feel everywhere you touch. However you choose to wear these single cock rings you can expect powerful contractions and intense tingles that can bring some men to climax with no other stimulation required. Use with conductive gel for the best sensations. Please note, you will require an electro stimulator to power this item. Specifications: Diameter (multiple sizes available): 32mm (approximately 1.25 inches in diameter) 34mm (approximately 1.3 inches in diameter)   Connection: 2mm Weight: 23-26g Materials:  Made from a solid bar of aluminium T6082T6 Number of Poles: 1 (uni-polar)What's included? 1x ElectraRing Solid Metal Electro Cock Ring 1x Microfibre Storage Bag 1x Instruction Booklet (EN/FR/DE/NL/ES/IT)