Intuitive energy indicator The callus remover includes a builtin digital display that clearly shows its working status and battery level. Realtime feedback on a definition screen enables precise control during foot exfoliation. Dualspeed settings Two speed levels provide flexible foot care. The lowspeed setting safely removes thin dead skin, while the speed mode powerfully breaks down thick calluses. Longlasting battery life USBrechargeable with a 1500mAh battery. Quick charging minimizes downtime between uses and delivers consistent, powerful performance. Discomfortproof foot smoothing A finegrit head delivers gentle, controlled buffing to remove hard skin without harsh scraping, helping prevent overexfoliation. Use scenarios Regular home foot care routine: Start with the lowspeed setting to remove light dead skin, then switch to speed for tougher areas as needed. Prepedicure or sandal season: Use speed to prepare rough patches, followed by gentle buffing for smooth, even skin. After prolonged activity: Refresh feet after sports or long walks by smoothing rough patches with controlled pressure for comfortable feet. Materials and performance notes Finegrit head for controlled exfoliation and reduced irritation. Designed for effective foot care with realtime status monitoring and reliable power.