The Braun Series 7 Shaver 730S has 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. 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.