Welcome to the Store! 1. Modern Design - Compact and elegant, slim body, enhances hand-held experience, feels more comfortable. 2. Adapts to the human body's aesthetic circular edge design, high quality, comfortable to grip. 3. Super Long Power - Built-in battery with large capacity, full power lasts up to 10 hours of work. 4. Small in Size - Safe and reliable, secure for use, fits in pockets and bags. 5. With LED Battery Display, 30000 RPM, and adjustable speed, very convenient. 6. High Speed, Low Noise - Replaceable sanding disc, polishes nail surface without damaging nails. Product Type: Nail File Material: ABS Color: Black Product Body Size: Approximately 7.6 x 2.3 x 10.5 cm / 3 x 0.9 x 4.1 in Height (including top power switch): Approximately 12 cm / 4.7 in RPM: 0-30000 Built-in Battery Capacity: 2000 mAh Built-in Battery Signal: 18650 Voltage: 100-240V Function: Adjustable Speed (forward/backward); High Rotation, Low Noise, Replaceable Sanding Disc Suitable For: Home & Nail Salon