35000rpm electric nail polisher】the nail drill is equipped with high-quality bearings, the adjustable speed is 0‐35000rpm, and the rotating knob can adjust the speed to meet your different needs. small vibration, stable and low noise. this acrylic nail drill is for beginners and professionals.【usb rechargeable electric nail drill】the nail drill pen is rechargeable and has a built-in 2600mah large-capacity integrated battery, which can last up to 12 hours on a single charge. equipped with lcd high-definition display, the rotation direction, speed, and remaining battery power are clearly displayed, which is easy to use.【professional multi-functional】the electric nail drill has 6 drill bits and 6 abrasive belts, ideal for nail polishing, reshaping all kinds of nails, and smoothing calluses or hardened skin on hands and