ElectroShock E-Stim Ring w/Ballstrap BlkFirst there is a smooth silicone cock ring with a very comfortable fit. Then comes the seamlessly incorporated ball strap and then there is an electro stimulation mode. E stim devices deliver a variety of impulses from a gentle tickle to a heavy throbbing throughout the body. Waterproof during vibration not e stim. The electroshock function will only be activated when the ribbed parts touch the skin simultaneously. Measures 5. 5 in. long 1. 46 in.