CYRUS is an app-controlled smart toy, a thrusting anal teaser, and a vibrating cock and ball ring in one exquisite package. As if that werenât enough, a smooth bridge between the anal teaser and the cock and ball ring provides a subtle perineum massager, amplifying the prostate thrills and giving you surround-sound pleasure! The flexible cock ring is designed to accommodate most penis sizes, and goes around the testicles and penis for maximum comfort and stimulation.