Product Details:ComfortCut Blades 27 self-sharpening blades comfortably cut each hair right above skin level for a smooth, even finish, every time. Replace your blades with SH30 every 2 years. 3D Floating Heads Floating heads move freely in three directions to keep contact with the curves of your face without nicking your skin. Anti-Corrosion Shaving System Our shaver blades are made from surgical grade hypoallergenic steel to resist corrosion, prevent impurities and protect your skin. 40 minutes of Cordless Shaving In just an hour, the durable NiMH battery is fully charged for about 13 shaves. In a hurry? A 5-minute quick charge gives you enough power for one shave. Ergonomic Grip Never lose your grip. The ergonomic handle with rubber stays secure and comfortable, even when wet. Wet and Dry Shaving Choose a convenient dry shave, or pair with your favorite foam or gel for a refreshing wet shave, even in the shower. Pop-up Trimmer Refine and define your mustache and sideburns to complete your look with the pop-up trimmer.