A. A perfect pedicure is not only about painted nails, but also well-groomed, smooth feet that you can take care of in just a few moments! The electric heel file works well and will make pedicure a pleasant and easy activity. B. ADVANTAGES: 1. Interchangeable quartz heads with different abrasiveness can be changed according to the desired effect. 2. Adjustable rotation speed - two speed control levels that can be adjusted during the device's operation. 3. IPX6 waterproof - the heads and the device can be washed under running water to keep them clean. The gaps need to be cleaned with a brush. 4. Automatic shut - off function - the device will automatically shut off after about 20 minutes of operation for cleaning. An indicator will appear on the panel to remind you to clean. 5. Easy head replacement C. 10in1 set 1. The electric callus remover can be rotated 360 degrees to effectively remove dry, dead and cracked skin, leaving your feet soft and smooth. You can enjoy a foot spa at home. 2. Speed two gears, two speeds 3. 3 heads, 3 pieces of different grains 4. Abundant set of accessories up to 10 pieces 5. LED lighting 6. Durable battery 7. Battery level indicator shows the charge level D. Specification: 1. Power: 3W 2. Material: ABS 3. Charging voltage: 5V 1A 4. Charging time: 3 hours 5. Battery: 1200 mAh 6. Waterproof: IPX7 7. Operating time: 90 minutes 8. Rotation speed: 2400 +/- 300 rpm E. The "10 in one" set includes: 1. 1 x electric heel file 2. 3 x Heads - rollers 3. 1 x Head cleaning brush 4. 1x toothbrush 5. 1 x USB network cable 6. 5 x Foot care accessories (grater, files, saws)