3-in-1 tool to shave, trim and edge. With Precision Trimmer ,Clean shave: 3-pressure sensitive shaving elements for efficiency and skin comfort. Versus Braun Series 3. Tested on 3 day beard. Even trim: 5 combs 1-7mm for a masculine 3day beard look,Precise edge: Exchangeable trimmer head for accurate shaping ,Durable cordless shaver, waterproof to -5 meters