Suitable for grinding, polishing, nail removal, peeling, engraving arc and other functions. Environmentally friendly ABS material, not accumulate heat, alloy material polishing pen, long-term use will not hot. Speeds 0-35000rpm for rapid polishing, stepless speeds regulation, can adjust the direction of rotation, forward and reverse direction can be adjusted and switched at will. High speeds and low noise, can be used at home, nail salons and other occasion to bring you a comfortable new nail experience. Specification: Condition: 100 Brand New Name: Rechargeable nail polisher Battery capacity: 4000 mAh battery Speed: 35000 rpm high-speed motor Charging time: 2.5 hours Material: ABS plastic Use time: 6 8 hours (idling) Machine size: 17 7 3CM Applicable to: Household, nail salon, etc. Note: After charging, you can use it directly without a power supply for polishing, which is convenient and quickThis nail drill perfect for natural acrylics nails, gel polish dip powder nails as well as removal cuticle dead skin, calluses. Professional for both home and salon use, for carving, grinding, sharpening, sanding, polishing, etc. Which enables any right-handed or left-handed use. Besides, this electric nail drill for acrylic nails has a smart LCD Display, which can show clearly the suitable RPM to choose. Two large-capacity batteries, built-in 4000 mAh super-capacity rechargeable battery, wireless charging and wired charging dual charging mode. Equipped with wireless fast charging charging board, supporting QI wireless charging standard (mobile phones are also available). Electric nail drill is upgraded with high-quality bearing and superior torque, which enables it to work smoothly at high and adjustable speed (0-35000 RPM) by rotating the variable speed control knob easily.