" Clean Styling: The powerful vacuum collects trimmed hairs. No more mess around the sink! Self-Sharpening Steel Blades: The trimming blades stay sharp through every use, providing accurate and consistent performance. Adjustable Length Comb: Choose from 11 length settings (2-18mm) to get the exact look you want. The comb locks in securely so you can trim with confidence. Removable Chamber: The removable vacuum chamber collects trimmed hairs as you go, making cleanup fast and easy. Lithium Power: Up to 1 Hours 30 Mins of runtime"