The Braun Series 7 shaver includes Sonic technology to read and adapt to your beard. Four shaving elements capture more hair in every stroke to provide a close, comfortable shave without compromises. Smart Shaver: Braun's Sonic technology reads and adapts to your beard. The shaver senses the density of the beard and provides extra power where needed Five shaving modes from Sensitive to Turbo to personalize your shaving experience to your skin type and preferences Four specialized shaving elements capture more hair in one stroke than others do in two - for fewer strokes and less skin irritation Worlds # 1 Foil Shaver Brand (based on global Braun value share in electric foil shaver market from May 2013 to April 2014)