Low heat, low noise, low vibration Variable speed control to meet different usage needs Strong and smooth, suitable for removing self-nails, gel polish dip sauce powder nails, dead exfoliating and calce. PREMIUM TORQUE AND TORQUE HD LCD DISPLAY: Aluminum alloy manicure machine has high precision and best torque to avoid stopping when applying appropriate pressure. The high resolution LCD screen allows you to clearly display the speed of your choice and accurately display the remaining battery. High Capacity Battery: 4000mAh battery capacity, full charge, super long 48 hours. Upgraded USB port cable included, you can connect it to any USB outlet, including portable power source, laptop, AC adapter, and even car charger. Reinforced cable prevents contact failure, so you can enjoy nail design anytime, anywhere. MULTI-FUNCTIONAL: Suitable for home and salon use, engraving, grinding, sanding, cutting, polishing, drilling, and perfect for nail polishing, sanding all kinds of nail shapes, smoothness of limbs or skin hardening. EASY TO USE: Our electronic filing machine is very easy to use, the touch button supports power display and backward change, the speed is displayed on the LCD screen, and the touch operation design gives you a simple and convenient use experience, perfect for both professionals. Even beginners can easily master this nail art machine.