Professional 40 mm high-grade steel t-blade. Ideal for close trimming, precise neck and beard outlining and edging around the ears.quick change: easy removable blade set allows easy cleaning and quick change to optional available designer blade sets. For fine lines and creative styling.powerful: ultimate performance high speed motor for quick and clean cutting ideal for all hair types.low noise: super light and quiet. Wrist-friendly weight of only 135 g.professional: 120 minutes quick charge. Up to 60 minutes battery operating time.