For Those Who Care about Performance. Speed-XL Shaving Heads. Simply Rinses Clean. Personal Comfort Control System. Precision Cutting System. Patented Reflex Action. Individually Floating Heads. Patented Lift & Cut Technology. Features Triple track shaving heads Provides 50% more shaving surface for a faster, smoother and closer shave Ultra thin heads with slots to shave long hairs and holes to shave the shortest stubble Reflex Action System automatically adjusts to every curve on your face for flexible, smoother shaving Individual floating heads align the razor-sharp blades closer to your skin for exceptional closeness 3 LED functional display with battery indicator Automatic charging stand 55 Minute cordless shaving time Full 2 Year Warranty Model: 8151XL/HQ8150