3-day beard made easy. Lift & trim system. Cuts 30% faster. Stainless steel blades. 45 minute cordless use after 10 hours charging. 10 length settings: Easy to select length settings from 0.5 mm to 10 mm within 1 mm precision steps. Self sharpening stainless steel blades: Remain as sharp as day 1 without oiling . Ergonomic design for better grip.