POWERFUL AND RELIABLE: The electric pedicure remover features a built-in high-speed motor for an efficient and reliable manicure experience. The foot callus removal machine includes built-in overheating and overpressure protection to help prevent damage to healthy skin. RECHARGEABLE AND PORTABLE: This foot file is equipped with a 500mAh high-capacity lithium battery that charges in approximately 1 hour and provides up to 100 minutes of continuous use. Lightweight and compact, it is easy to carry and store, making it ideal for home or travel use. ADJUSTABLE SPEED AND REPLACEABLE GRINDING HEADS: Offers multiple speed settings with a rotation speed of 2600 RPM to meet various needs. Comes with 3 quartz grinding heads: coarse for tough calluses, medium for rough skin, and fine for regular maintenance. WATERPROOF AND PRACTICAL: Designed with full-body waterproof functionality, this electric foot file can be rinsed under running water for easy cleaning. Suitable for both dry and wet use, offering convenience and practicality. EFFECTIVE SKIN CARE: Helps remove dead skin and smooth cracked heels, promoting soft and healthy feet. Compatible with 5V/1A charging input to ensure safe charging performance.