First 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. diameter. Remote control requires 2 AAA batteries not included.