System Key Features: Reflex Action automatically adjusts to every curve on your face for flexible, smoother shaving Individually floating heads align razor-sharp blades closerto skin for exceptional closeness Lift and Cut technology dual blade system gently lifts hair to cut comfortably below skin level Self-sharpening blades extend the life of razor heads Full-width pop-up trimmer for grooming sideburns andmustacheModel Key Features: Rechargeable cordless/corded for shaving with or without a cord 16-hour full charge for up to 30 minutes of cordless shave time LED charge indicator light signals razor is charging Worldwide voltage Hair chamber Locking on/off switch