Beauty your feet: Our electric callus remover can be rotated 360 degrees to automatically remove cracked, dry, dead and thick skin. Calluses rejuvenate your feet easily and make your feet more elegant, healthier and sexy.RECHARGEABLE DESIGN AND LCD DISPLAY: Built-in rechargeable 600mAh battery, which is fully charged for 3.5 hours. The electric foot file can be used for 120 minutes. The LCD display can also help you maintain the remaining service life.EASY OPERATION AND SAFETY: With double the speed of gentle and powerful control in the electric callus remover, you can remove calluses and hard skin in your feet more easily. 1700x / min low speed for sensitive skin and 2000x / min high speed for hard skin. One button operation to select the speed for good looking, elegant feet.Three roller heads for foot care: with 3 different roller heads, you can meet your different needs. 1 fine roller for daily foot care; 1 normal roller for removing dead skin; and 1 coarse roller for annoying cracking. Make your feet healthier and more supple.Easy to replace and clean: with IPX 7 waterproof, you can enjoy pedicure foot care in the bathroom. Do not immerse the roller completely in the water, also easy to replace. Portable electric foot file for pedicure, ideal for men, high heels, women, old people and workers. Product Winpok electric callus remover for hard skin to make your feet beautiful Specification: Material: ABS plastic Energy: 600 mAh Power supply: 5 V Charging: USB Charging time: approx. 3 hours Use: More than 120 minutes Weight: 380 g How do you make smooth feet? 1. Soak feet in warm water for 10 minutes and then wipe clean. 2. Depending on the skin condition, choose the appropriate grinding head to be attached to the body and gently slide it over the calluses. 3. Wipe the feet with a dry cloth or clean the dead skin, apply moisturiser and massage the feet slowly.