1. 2-speed variable speed foot grinder to reduce foot calluses and soften heels
2. Selected quartz sand grinding head, hard and wear-resistant, easy to exfoliate, gentle and skin-friendly, not easy to heat during use
3. 360-degree automatic rolling and grinding, fit with the surface of the foot skin to reduce damage
4. 3 types of roller heads with different thickness and large abrasive particles to solve the problem of dead skin of different thicknesses of the feet
5. Built-in smart sensor, if the force is too large, it will automatically stop to prevent scratching the skin
6. High-brightness LED auxiliary light, more convenient to use
7. Power supply mode: USB power supply
8. Battery capacity: 1200mAh