- Electric Callus Remover : Designed with precision, our nano glass grinding heads effectively eliminate calluses on heels and soles while preserving your skin's natural moisture. The waterproof, dishwasher-safe attachments are easily replaceable, ensuring long-term use and hygiene. - Intelligent Speed Control : Tailor your callus treatment with three adjustable speed settings (low, medium, high) and 360° rotation technology. The clear LED display conveniently shows the battery level and speed mode. Simply press the power button for 2-3 seconds to start. - Premium Materials : Constructed from high-quality aluminum alloy, the housing features precision bearings for low-vibration operation. The ergonomic handle provides a comfortable grip, allowing for safe use with minimal noise, even during extended sessions. - High-Performance Battery : Equipped with a USB rechargeable battery, this device offers extended run time for versatile use at home or on the go. No need to search for power outlets—just charge and use whenever you need. For best results, we recommend soaking your feet for 20-30 minutes before use. Practical Applications : 1. Use at home after a long day to keep your feet soft and smooth. 2. Ideal for travel, allowing you to maintain foot care anywhere without needing a power source. 3. Perfect for salon-quality results in the comfort of your own bathroom, ensuring your feet look their best for special occasions.