The 360° Flex head adapts to deliver maximum contact for a smoother shave, even in tricky areas. The shaver reads and adapts to your beard density, removing hairs in every stroke and you can upgrade your shaver for more grooming needs. The new ergonomic handle enables an effortless shave with simple, one way movement. 1 full charge provides up to 3 weeks' worth of shaving. 5 min quick charge is sufficient for 1 full shave. Designed to shave dry, with foam, gel and in the shower.