Professional Portable Design, High Quality, Superior Performance This mini nail drill boasts a compact, portable design. The 2-in-1 quick-change polishing motor and multi-functional power supply are integrated into the handle, ensuring portability and ease of use. Versatile Applications: Perfect for polishing nails, dentures, models, jade, jewelry, and more. A variety of sanding heads provide diverse polishing effects. High-Performance Motor: Utilizes a 5V high-strength magnetic motor. Faster than conventional 12V motors, it consumes less power, generates less heat, and offers high speed and low power consumption. Compatible with any 5V1A or higher power adapter – even most phone chargers! Quiet and Smooth Operation: The high-quality motor runs smoothly and quietly, virtually vibration-free. The ergonomic pen-style design provides a comfortable grip for a professional, quiet, and smooth experience. Safe and Durable: Constructed from high-quality aluminum alloy for efficient heat dissipation, extended working time, and increased lifespan. Product Dimensions: 13 x 2 cm Package Includes: 1 x Nail Drill 1 x Nail Brush 5 x Quartz Sanding Heads 6 x Metal Sanding Heads 16 x Frosted Rings