Rechargeable & Cordless: Featuring MelodySusie’s latest textured grip and convenience, it features a high-capacity battery and USB Type-C charging, providing up to 6 hours of use. Perfect for on-the-go nail care, it ensures powerful performance without the hassle of cords. Powerful Motor & High Grinding Efficiency: The powerful motor ensures a precise and efficient electric nail care kit, while the low noise and vibration with minimal heat and high grinding efficiency for flawless nail care. 20 Speeds & Rotations: It offers 20 adjustable speeds (0-6000 RPM) and forward and reverse rotation directions to accommodate both left and right-handed users.