Surenda Dental Vibe Flesh eatures 5 functions. 100% Silicone. USB charger and cable incorporated. Waterproof vibrations.Phthalates free, RoHS compliant materials Vibe Silicone, Control Area, Abs plastic, fiberglass. Length 2.25 inches, insertable length 2 ". Diameter .625 inch, circumference 2 ". Cord length 29 inches. Rechargeable, no batteries necessary