Sharp Japanese blade system delivers a close, gentle trim with sharp lines Ultra-fast linear motor enables smooth, powerful cutting Comb attachment offers 19 setting options from 1mm to 10mm in 0.5mm steps for consistent results every time Waterproof design allows for effortless cleanup Cordless design ensures easy maneuverability WER9621 blade replacements are available separately Includes a power adaptor/charger, 10mm comb attachment, travel pouch, cleaning brush, and oil