SmartFoil: - Ultra thin foil technology for more closeness and skin comfort. Slim precision head: - Shaves close even in hard-to-reach areas. Long hair trimmer: - Simply slide out the extendable long hair trimmer for longer hair and for moustache and sideburns shaping. 100% waterproof for easy cleaning: - The Braun Series 1 is IPX7 certified - it could be submerged in 5 meter deep water without a problem. Which means you can comfortably rinse it under running water for easy cleaning. Automatic voltage adaptation: - The Smart Plug comes with automatic 100-240 voltage adjustment, so you can use your Braun shaver worldwide when travelling. - Corded shaving - Protective cap