Strong Suction: Strong adsorption, wide adsorption surface, 20 gears can be adjusted arbitrarily. * Multifunctional Design: Charge while doing nail art. If the plugs of the charger and the sanding pen cannot be inserted in the interchanged positions, the USB port can support charging while doing manicure. * Stainless Steel Filter: Reusable, removable and washable, preventing secondary pollution without consumables. * Automatic Protection Device: Brushless motor, built-in permanent strong magnet, using magnetic field to generate power, less resistance. When operating at high speed, the brushless motor will generate greater power and low noise. * Multi-Functional with 3 Nail Drill Bits: It is very easy for beginners; acrylic nail drill comes with 3pcs different drill bits for a widespread use, multi-functional for easily grinding, carving, cutting, polishing , removing gel polish and cuticles for both acrylic nails and natural nails.