- 1.5 REPLACEMENT HEADS: Includes three interchangeable roller heads—fine, regular, and coarse—designed to effectively remove cracked heels and dead skin in just minutes, ensuring smooth and healthy feet. - DUAL-SPEED FUNCTION: Easy one-button control offers two adjustable speeds: 1700 RPM (low speed) ideal for everyday maintenance, and 2200 RPM (high speed) perfect for tackling tough, dry, and cracked skin. - VACUUM ABSORPTION TECHNOLOGY: Our integrated fan captures 98% of foot residue while you file, preventing a mess and allowing for a cleaner and more efficient foot care experience. - USER-FRIENDLY & EASY TO CLEAN: The removable grinding head can be washed under running water, making maintenance simple and convenient for ongoing use. Use Scenarios: 1. Daily Foot Care: Use the low-speed setting for regular maintenance to keep feet soft and smooth. 2. Intensive Treatment: Switch to high speed for areas with thick calluses or severe dryness, providing a quick and effective solution for trouble spots. 3. Grooming at Home: Ideal for personal care in the comfort of your own home, ensuring professional results without the need for salon appointments.