Welcome to the store! 1. POWERFUL: The nail file with LED screen features a powerful motor that operates at high speed, adjustable from 0 to 35,000 RPM. Stable performance without overheating and efficient nail polishing. 2. LONG-LASTING: Our nail file includes an integrated 4000mAh high-capacity battery that remains cool and provides stable output. The file head has a regular and well-regulated vibration frequency. 3. MULTI-FUNCTIONAL: Easy to use, multi-functional for removing nails, exfoliating dead skin, polishing nail surfaces, repairing nail shape. A set of efficient and professional nail polishers. 4. INTELLIGENT PROTECTION: Our nail file is equipped with an intelligent detection system that stops immediately upon detecting an error to ensure the safety of the motor and battery. 5. PORTABLE DESIGN: Equipped with a removable base plate for adapting to different nail needs. Can be placed flat on a desk or attached to a pocket. Lightweight and compact for easy carrying. Product type: Electric nail file Material: Metal Battery type: Lithium-ion battery (delivered with built-in battery) Battery capacity: 4000mAh Adjustable speed: 0-35000 RPM