It can trim, edge and shave any length of hair. Its dual protection system - a glide coating combined with rounded tips - makes shaving easier and comfortable. Go against the grain and shave off any length of hair easily. Trim your beard to a precision stubble length with one of the included 3 stubble combs. Create precise edges with the dual-sided blade. Line up your style in seconds! OneBlade is water resistant, so it is easy to clean: just rinse it under the tap. You can shave wet or dry, with or without foam - whichever you prefer. The blades are designed for lasting performance. For optimal performance, you will only need to replace each blade every 4 months*. Replacement is easy and hassle free.