Other FeaturesSelf-Sharpening Comfort Tip Blades, Removable Washable Blades, Removable Washable Blades, 1 x Adjustable Comb, Trimming Lengths (0.4mm-18mm), 0.5 Increments, up to 5mm, 1mm increment from 5-6mm, 2mm Increments from 6-18mm, Cordless with up to 40-Minutes Usage Time, 10-Hour Charge Time, Charging Indicator.