Adjustable Speed: The nail polisher is equipped with a powerful upgraded motor bearing to ensure it works smoothly at high speed. This acrylic nail drill has a rotation speed control knob, you can easily adjust the speed, sanding, buffing, removing gel polish and cuticles Rechargeable LED Display: This cordless nail drill is equipped with a large-capacity battery, which can be used for 10 hours after being charged for 4 hours. The nail drill transparent LED screen shows the speed, direction of rotation and power level, making it easier to use Easy to Operate: The ergonomically designed handle makes it light and easy to hold, and the twist-lock system makes it easy to replace the nail clipper heads, bringing you a more comfortable and easy manicure and pedicure experience Extensive Packages: The portable nail drill is equipped with 6 nail drill bits and 6 sanding belts, which can be used for different purposes, this nail drill set can meet all nail art needs and bring you a simple and convenient use experience Compact and Portable: The electric nail file is small and light, easy to carry, you can do manicure work anytime and anywhere, the back of the nail drill is designed with a belt buckle, it is convenient for you to control the electric nail file, making your nail care work more efficient