Thanks to a single, hypoallergenic film, which is angled to match the body shape, avoid jams and scratches. Shaving has never been so fast and easy The smooth & Silky shaver is waterproof, so you can use it both dry and wet - the way you like it. It's battery-powered, so you can easily take it with you to the shower Shaving system: single - foil. Movable heads: no. Power: battery (AAA). trimmer: double Use: wet, dry. The possibility of washing under water: No