Intelligent Sonic Technology with 10.000 micro-vibrations per minute. Reads your face and adapts to the density of your beard.Fully Flexible Shaving System: The amazing adaptability of the shaver head beats even the most problematic contours. How? Individually floating foils and trimmer are mounted on a pivoting head - Micro Motion plus Macro Motion. Cuts hairs as close as 0.05mm to be precise.