This trio of electro-sex cock rings allows a choice of sizes to ensure the perfect fit. Enhance sexual sensation with the tingling pleasures and deep orgasmic contractions. Team a single scrotal ring with any other uni-polar electro sex toy to enhance pleasure and intensify sexual sensations. Rings measure approximately 2, 2.35 and 2.7 in. diameter. Each ring has a single 2mm pin input to make them compatible with the range of ElectraStim stimulators.