This Braun Series 7 790cc electric shaver adopts the revolutionary Sonic technology that captures more with every stroke by providing 10,000 micro vibrations per minute. This unit incorporates an advanced display that alerts you about the battery status, detailed hygiene degree, and foil replacement. A built in Lithium Ion battery delivers up to 50 minutes of shaving time, with just 1 hour of charge. Maintaining this electric shaver is no hassle either since it supports the advanced clean and charge station with fast clean. This Braun 790CC 4 Series 7 shaver looks neat in a black and blue color combination, and is IPX7 certified, which makes it waterproof.