1. Micro-motor + Multi-stage Gear Reduction: Powerful Torque for Safe Callus Removal Utilizing a micro-motor drive combined with parallel shaft reduction gearbox technology, multi-stage gears reduce speed and increase torque to 3-5 times that of traditional manual methods, preventing slippage and skin irritation. The high-quality grinding head is designed to conform to the foot's curves and features Z33 wear-resistant and quiet gear material, ensuring smooth and low-noise operation, gently removing dead skin and calluses without harming new skin. 2. 3-Speed ​​Adjustment + Visible Results in 5 Minutes: Simple and Quick Rejuvenation Supports low, medium, and high speeds to meet different needs for thin calluses, thick calluses, and daily care. Soak in warm water for 10 minutes before use; calluses will be significantly thinned in 5-10 minutes, with a painless process. The honeycomb-style hair storage compartment opens with a single press for easy cleaning. Compared to traditional foot scrubbers, efficiency is increased by 80%, bidding farewell to the time-consuming and laborious era of hand scrubbing. 3. Suitable for All Ages + Closed-Loop Care: Professional Foot Spa Experience Suitable for office workers who wear high heels, sports enthusiasts, people who stand for long periods, and the elderly. When using, it is recommended to start with a low speed to get used to the product, and each session should not exceed 10 minutes. After use, apply a moisturizing lotion to form a complete care cycle. The entire device weighs only 98-200g and is lightweight and portable. It can be charged via USB and last for 60 minutes, allowing you to enjoy professional pedicure-level care anytime, anywhere, whether you are traveling or at home.