Razor – Rotary shaving – Rechargeable and wired – Washable – Wet & Dry – 60 minutes autonomy – With quick charge – With up to 90,000 cutting actions per minute, the SteelPrecision blades shave deeply with extreme precision – The shaving heads have an optimized surface with guiding channels designed to position the hair for effective cutting – The intelligent facial hair sensor reads hair density 250 times per second to automatically adjust cutting power – One-touch opening for easy cleaning of the razor – Fully flexible heads rotate 360 degrees to follow the contours of the face.