Functional, versatile, and easy-to-use, it can be used for manicure, pedicure, acrylic, gel, dead skin, callus, and cuticle. It's an essential tool for nail-care veterans and newcomers alike. Specification: Voltage:220-240V Speed:0-30000RPM Working time:4-5 hours after full charging Charging time:3 hours Battery: 2000mAH Features: Professional rechargeable electric nail drill with built-in battery which is great for all types of nail work from sculpting ,buffing ,polishing Battery can last 4-5hours after full charging ,enjoy beauty nail at any time any where 30000RPM speed provide strong power when you use Designed with 6 metal grinding drill bits for options as desired Easy operation for fast nail shaping ,polishing and trimming Package including: 1x Rechargeable Nail Drill Machine 1 x Handpiece 6 x Optional Bits with 6 Sanding Band 1 x adaptor 1 x User Manual Multifunction,Besides manicures Multifunction,Besides manicures and pedicures,can be used on small leather goods,wood and wall carving,punching and sanding. Easy to operate, you can share more nail art creation fun with your friends or family.6 optional bits (with 6 standing bands) can not only file, buff but also smooth corns and calluses and remove excess cuticles. Switchable Rotary Direction, Forward Reverse for you choose. 0-30000RPM high speed ,it's fast for grinding, cutting, carving, polishing for all kinds of nail art as well as cuticle remover. Powerful Function: Professional high-tech speed bearing and motor make the electric file low heat, low noise, and low vibration. Portable Compact Design: This nail drill machine made of high-quality metal, tiny and lightweight design, easy to handle and carry it anywhere.