Realtime digital display: A clear digital screen shows current operating status and remaining battery life, allowing you to monitor usage and energy levels at a glance. Adjustable speed for care: Choose between low and speeds. The gentle mode is suitable for regular maintenance, while the intensive setting tackles hardened calluses more effectively. USB recharge with longlasting power: The device charges via a USB interface and is powered by a 1500mAh battery, delivering extended performance and reducing how often you need to recharge. Gentle yet effective performance: Designed for sensitive skin, the finetextured head exfoliates safely and evenly. It reduces friction and discomfort compared with manual tools, helping feet look smoother after each use without redness or overscrubbing. Use scenarios: Routine foot care after a shower or bath: Use gentle mode to maintain smooth skin and prevent buildup. Preevent foot prep: Use the device to quickly remove rough areas before wearing sandals or opentoe footwear. Postactivity refresh: After running, hiking, or a long day, use the speed setting on the affected areas to address tougher calluses and restore smoothness.