- Adjustable Speeds & Two Replaceable Grinding Heads: This electric foot file features three speed settings (1000/1500/2000 RPM) and comes with two interchangeable grinding heads—a fine grinding head for smoothing and polishing skin and a coarse grinding head for removing thick calluses and stubborn dead skin. Choose the right head based on your skin's needs for effective foot care. - 5-in-1 Foot Care Set, Easy to Clean: The set includes one electric foot grinder, a USB charging cable, two replacement grinding heads, a cleaning brush, and a user manual. This multifunctional device not only smooths feet but also shapes nails, addressing various skin issues quickly and effectively. It rotates 360° and can be rinsed under water for easy maintenance. - LED Battery Capacity Indicator: The rechargeable callus remover has a built-in power display. With a charging time of just 2 hours, it operates continuously for about 60 minutes and boasts a standby time of 90 minutes. Charge conveniently using a power bank, car charger, or computer. Keep track of remaining power and enjoy worry-free foot care. - Detachable & Low Noise Design: Engineered with high-quality, quiet motors and precise noise-reduction gears, the device operates at under 15 decibels. Changing the grinding head is simple—just lift and replace without the need for complex tools. Enjoy a seamless and comfortable foot care experience in seconds. Use Cases: - Achieve soft, smooth feet at home for special occasions or regular self-care routines. - Easily tackle stubborn calluses after sports activities or prolonged periods of standing. - Maintain healthy nails and skin in a quick and efficient manner, suitable for both men and women.