1Adjustable speed 035,000 RPM, with speed control buttons to make this electric nail file easier and safer to polish nails. 2Low noise, small body does not take up space, easy to operate and carry, convenient for home use, nail shop use. 3Adopt standard environmentfriendly ABS material, easy to clean and have outstanding nonyellowing characteristics. 4High quality and durable, high precision stable output, a very efficient nail file manicure tool. 5In addition to manicure, it can also be used in polishing and removing dead skin, very convenient and practical.