About this item [ Newest Design Upgrade with LCD Display ]: Standard USB interface, equipped with LCD display which can show clearly the 0-35000 RPM to choose. The USB plug also can be connected to a mobile power supply. Internal components are upgraded for stable quality and Anti-falls the nature. [ Adjustable Speed & Direction ]: This professional nail drill designed with 6pcs different metal bits and high adjustable 35000 RPM. Low heat, low noise, super low vibration. Variable speed control for your different usage needs. Switch Forward and Reverse Rotating suitable for Right-handers or Left-handers. [ Premium Quality Torque ]: This professional nail drill come with the feature of high precision and top torque to avoid it from stopping occasionally when applying appropriate pressure. Ventilated design reduces the temperature of the handpiece. [ Low Noise & Low Heat ]: High-quality aluminum alloy long-life handpiece, low heat, low noise, super low vibration. Non-slip, anti-scratch, anti-fall paint, anti-drop. It is no built-in battery, lightweight, so convinent to carry around. [ Multifunctional ]: Perfect for both home and salon use, for carving, engraving, routing, grinding, sharpening, sanding, cutting, polishing, drilling, and awesome for nail buffing, filing the shape of various nails, and smoothing calluses or hardened skin on your hands and feet.