The Nano SkinGlide coating minimizes irritation by improving gliding on skin. SteelPrecision blades cut more hair per stroke with up to 90,000 cutting actions per minute. The 45 self-sharpening high-performance blades are made in Europe. The intelligent facial-hair sensor adjusts cutting power based on hair density reading 250 times per second. Motion-sensing technology guides and improves shaving technique. Flexible heads provide optimal skin contact for a thorough and comfortable shave. The lithium-ion battery fully charges in just 1 hour, or plug in for 5 minutes for 1 full shave. Wet and Dry feature allows for a comfortable dry shave or refreshing wet shave with gel or foam, even under the shower. Integrated pop-up precision trimmer for maintaining mustache and trimming sideburns. Includes electric shaver, protective cap, cleaning brush, and USB-A charging cable (wall power adapter not included).