3-Speed Adjustment: Optimize your foot care routine with 3 speed settings (1600/2000/2800 RPM), allowing for gentle yet effective callus removal on various skin types. The electric file automatically adjusts the output to maintain consistent performance. TECH-FRIENDLY SKIN & SMOOTHING WORKS: This electric callus remover features a dedicated cleaning storage compartment with a purple chamber for cleaning the rollers after use, ensuring hygienic maintenance. Its compact, travel-friendly design allows for easy portability, while the 99-second cleaning cycle activates UV cleaning. Useful Set: Equipped with fine, medium, and coarse grit options to gently remove calluses and soften rough skin. Professional-grade rollers provide a consistent polishing effect for a spa-like pedicure experience, maintaining skin health with minimal effort. Intelligent safety design: The LED halo illuminates the process areas for controlled exfoliation. Combined with automatic pressure sensitivity adjustment, it prevents skin irritation while maintaining optimal electric callus removal performance. Sustained use and adaptive charging: The Type-C rechargeable design paired with a high-capacity 1000mAh battery provides long-lasting operation. Use existing adapters to speed up charging cycles, perfect for extended personal grooming routines.