1. Professional nail drill set: elegant packaging, 6 different shank drill bits and 6 abrasive belts, multifunctional, can easily grind, cut, polish, remove nail polish of acrylic nails and natural nails. 2. Adjustable speed and direction: The speed control button adjusts the speed from 3000-20,000 RPM. And rotation direction design, suitable for right or left hand use. It makes this electric nail file easier and safer to smooth your nails. 3. Portable and compact design: This nail drilling machine uses high-quality metal, compact and lightweight design, easy to operate and convenient to carry. 4. Powerful: professional high-speed bearings and motors, electronic files with low heat, low noise and low vibration. Just connect the power cord to the efile and you're ready to go. Used for home, salon and school use. 5. Quality Assurance and Professional Services: Professional Nail Drills We provide 24-hour customer service. If you have any questions, please contact the seller first. Specifications: Model: Nail Polisher (Upgrade USB Model); Color: rose, pink, white; Suitable for skin type: nails; Weight: 146g; Material: ABS; Input voltage: 5-9V; Frequency: 50-60HZ; Speed: 3000-20000RPM. Package included: 1 * Nail nail polisher; 1 * USB cable; 6 * Polishing head; 1 * Instructions.