Vedo Drive Vibrating Ring Midnight Madness. Drive vibrating ring will send you into maximum overdrive through a single reusable motor. The curvy tip design fits perfectly against her clitoris. This bad boy packs enough punch to satisfy any sexual appetite. Vibrating ring features: powerful motor, designed for clitoral stimulation, one button easy control, extremely quiet, velvety smooth silicone, waterproof vibration, requires 2 button cell batteries included. Running time 40 minutes. Measurements: height 7cm, inner diameter: 3cm e or approximately 2.75 inches, 1.18 inches. Smooth and elastic silicone that fits any girth.