Self-Sharpening Blades: Stainless steel blades stay sharp like day one and do not need oiling.BeardSense Technology: Advanced models scan beard density (125x per second) to auto-adjust power on thick hair patches.Length Range: Offers precise trimming steps and multi-comb settings spanning from 0.5mm up to 16mm.Wet & Dry Use: 100% showerproof design allows for easy use in the shower and fast rinse-cleaning under the tap.Included Tools and AttachmentsMain Trimmer: Steel/metal trimmer for beard, neck, and sideburn lines.Detail / Precision Trimmer: Narrow design to create clean, sharp edges and fine styling lines.Nose & Ear Trimmer: Safely removes unwanted hair without nicks or pulls.Hair & Beard Combs: Multiple snap-on guards and combs for head clipping and various beard lengths.Battery & ChargingCordless