Color Purple. Materials Silicone, ABS Plastic with Polyurethane PU Cote, ABS Plastic with Metallic Plating. Power source USB Rechargeable, included. Features phthalate free, waterproof, rechargeable, vibrates. Maximum run time 80 minutes. Maximum charge time 70 minutes. Dimensions enhancer 3.5 inches by 2.5 inches. Ring diameter 1 inch. Package 2.5 inches by 4.75 inches by 8.5 inches.