Want to say goodbye to rough nails? Then, you miss our electric nail file set. Made of quality materials, it is high-quality and durable. Easy to operate and use, it is suitable for professional and personal use. Features - Color: White - Material: ABS - Size: 15.60X2.15X2.00cm/6.13X0.84X0.79inch. - Charging method USB port/DC 5V - Working voltage: 3.7V - Rated power: 0.5W - Rotation speed: 15000, - Adapt to the grinding head: 2.35 mm - Battery capacity: 500mAh - Approximate working hours: 90Min - Multi-function as an all-in-one machine, which can be used for manicure/manicure/polishing/exfoliating, etc. - The appearance is simple and stylish, the head can be changed quickly, and the operation is simple and convenient. - USB charging, convenient to move, strong power, low noise. Suitable for natural nails and all gel nails, bring more conveniences. - Five polishing grinding heads, matching and hard, can also be used by babies. - Gently sanding, easily remove rough, uneven nails. Simple to use and convenient to operate. Package list: 1 x host 1 x USB cable 5 x grinding head