lSharper, faster, more efficient vs. all previous generations of Braun beard trimmers,Precision dial for 39 length settings in 0.5 mm step sizes for an effortless trimming experience,Lifetime Sharp Metal Blades for even beard trimming and hair clipping,Create accurate lines and edges on neck and cheek with the main beard trimmer head,delivering 100 mins of cordless trimming on 1 hour charge.