New ComfortSelect contour control for a comfortably close shave. Improved Triple ComfortFlex design contours for optimal contact. 33% faster blade action for a quick shave without irritation. CleanShave washable design. Titanium-coated Twin Blade technology has two cutting tracks not one. Self-sharpening cutters maintain peak performance longer. New locking pop-up trimmer for precise sideburn detailing. Corded & Cord Free Use.