Equipped with innovative shaving technology, the Braun Series 7 790 is designed to give you exceptional results every time. Its patented ActiveLift system lifts and cuts flat lying hair even in areas which are hard to reach. The shaver---s pivoting head and floating foils follow the contours and curves of your face for a close and accurate shave. Intelligent sonic technology produces micro vibrations to ensure that more hair is captured with every stroke for thorough results.-At a touch of a button Braun---s Clean and Renew automatically cleans, charges and lubricates to keep the shaver like new every day. It offers 50 minutes of cordless usage per 1 hour of charge and has a 5 minute quick charge option.