Master Your Style With The Rechargeable trimmer. With Lifetime Sharp Blades to easily cut through long or thick hair without pulling and tugging, this Braun beard trimmer is faster, sharper and more efficient. Maintain longer beard or hair styles with the 11 – 20 mm comb. The short beard comb helps you maintain short to medium beards (0.5-10 mm) and stubbles. Cut your hair to the precise length you need – from 0.5 – 21 mm, with the two dual-purpose adjustable combs. Create accurate lines & edges with the beard trimmer head. Tackle particularly small areas with the detail trimmer head.