27 self-sharpening PowerCut Blades consistently cut each hair right above skin level for a smooth, even finish, every time. 4D Flex Heads flex in four directions to maintain even contact with your skin protecting it from nicks & cuts. 40 minutes of cordless shaving from a 1-hour charge Wet and dry shaving at the sink or in the shower USB-A charging cable included (wall power adapter not included)