Super Powerful USB Rechargeable Cock Ring from ML Creation. Overview: Medical Silicone and Environmentally friendly plastic.10 vibration modes - Auto cycle modes can be chosen .1 hour of charging = 1.5 hours of use. Rapid Charger NOT recomended for charging Water resistant L 63mm, OD42mm : ID38mm ML Creation 6-month warranty covering manufacturing defects only from date of purchase. Normal wear and tear, negligent handling or misuse are not covered.