New SensoFoil for a more efficiently close shave: The optimised foil cuts hair more easily while being smooth to the skin. With ergonomically designed foil holes that consistently capture hair for a more efficient, close shave and minimised skin irritation. Triple action cutting system: Twin foils and an integrated middle trimmer shave progressively closer. Triple Action FreeFloat System: Adapts to every facial contour with three independently moving shaving elements, cutting both short hairs and long hairs with every stroke. With improved performance on three-day beards, leaves you with a fresh, super skin feeling. Precision Long Hair Trimmer for precise styling: The Series 3 Long Hair Trimmer is a great and precise tool to trim your sideburns, moustache or beard. Precision head lock: The head lock allows for an even more precise shave in tricky areas. Four-stage LED display for low charge and battery status and hygiene status: The Series 3 390cc-4 comes with the most advanced Series 3 display with very precise charging, battery and hygiene status indication. Powerful rechargeable Ni-MH battery: The Series 390cc-4 is rechargeable and works both cordless and corded. 100% washable and waterproof: Braun shavers have a fully sealed body and can be rinsed quickly under running water. For optimal convenience, you can use the Clean & Renew System to hygienically clean your shaver at the touch of a button. Full charge in only one hour--45 minutes cordless shaving: One hour charging time gives you up to 45 minutes of cordless shaving. A quick five-minute charge is sufficient for one cordless shave. The SmartPlug has an automatic worldwide voltage adjustment. It adapts to an outlet voltage between 100V and 240V, for your best convenience at home or travelling.