LED digital screen that displays its speed, direction of rotation and charge status for precise control. Built-in 2200mAh lithium polymer battery provides up to 10 hours of powerful manicure and pedicure experience. Brushless motor, professional technology, nail drill high speed, low vibration, low noise, low heat, smooth operation; industry leading, super quiet, stable and longer life. It is compact and lightweight with stand storage, so you can put the machine into the stand and use it anytime. Suitable for different use requirements. Improved wireless smooth operation handle by flexible extension. Rotating locking block for fixing the drill bit and releasing it quickly.