PORTABLE & CORDLESS RECHARGEABLE DESIGN: The electric nail file has a built-in rechargeable battery, it takes about 2 hours to fully charge and can be used for 240min and up, with a long service life. Electric nail drill machine is small and lightweight, suitable for travelling and home use. Enjoy professional nail care anytime and anywhere. Mini Manicure Pedicure Set will be a ideal Christmas gift for your family/ friends/manicurist. DUAL CHARGING PORTS & USB INTERFACE: With USB Charging Cable (Without plug adapter) and rechargeable base can charge anytime anywhere by connecting with any type USB interface adapter: Phone charging adapter, USB plug board, Laptop, Power Bank, etc., portable for business trip or travel. LOW NOISE AND LOW VIBRATION: Newly upgraded motor and anti-vibration design of the electric nail drill machine make it effectively reduces noise, vibration, working in a noise-free, low vibration and low temperature environment(Over 150? it will auto stop working, restart the product after returning to normal temperature), pen-shaped design for comfortable grip, easy to remove nail polish, varnish, etc., painless and not damaging the nails. 6 ADJUSTABLE SPEED AND 2-WAY DIRECTION: Cordless nail drill Machine is designed with 0-18,000RPM & 6 speeds, which makes it easier and safer for you to use the nail file when polish your nails, perfect for beginners. Controllable forward and reverse direction allows you to adjust the direction of the file more flexibly when manicuring, whether you are left-handed, a beginner or a nail masters, our electric nail file is ideal for professional nail care. UPGRADED PROFESSIONAL ELECTRIC NAIL FILES: Portable nail drill set includes 6 different nail bits drills & lid(Lid prevents dust from splashing), USB charging cable, rechargeable base and lid. The electric nail file can be used for manicures, pedicures, polishing, shaping, grinding cuticles, removing acrylic/gel nails, nail beauty, making it easy for you to treat your nails.