Electric razor with SensoFlex: The dermatologically tested swivel head adapts to minimise skin pressure for sensitive skin SensoFoil blades are specifically designed for closeness and skin comfort Includes a precision trimmer attachment for moustache and sideburns trimming Li-Ion Battery for up to 3 weeks of shaving (50 min). 5 min quick charge for one full shave 100 Percent waterproof electric shaver for men for wet and dry use Now with Autosense technology - Reads and Adapts Power to Stubble and Beard Density