Norelco Philips 100% Waterproof Beard Trimmer 3000 Series with Self-Sharpening Blades, 40 Adjustable Beard Trimmer Length Settings & Two Lift&Trim Combs, USB Charging, BT3620/40SELF SHARPENING SKIN FRIENDLY BLADES designed to be gentle on skin require no blade oil to maintain PRECISION BEARD STYLER DIAL with 40 settings in 0. 5 mm increments to craft your beard to the exact desired length and fullness INNOVATIVE LIFT&TRIM SYSTEM on adjustable trimmer combs to guide facial hair towards the blade for an even, precise trim for men 100% WATERPROOF FACIAL HAIR TRIMMER makes cleanup the easiest part of your grooming routine