1. Excellent performance: Repair various foot conditions, hard and wear-resistant, easy exfoliation, gentle and skin-friendly, not easy to heat, reduce skin discomfort and pulling. 2. Two gear speed regulation: 1500rpm first gear, dealing with light dead skin, 1700rpm second gear, can solve thick skin cracks, two gears with a button switch. 3. Two grinding heads: Two types of grinding heads with different thickness and fine, gentle repairs for foot problems, also with two different grinding particles, solve the problem of dead skin of different thickness of feet. 4. Rechargeable: Long life, 1000mAh lithium battery, battery life of 1.3 hours, the specific usage time depends on the time and frequency of self-use. 5. ABS Material: Made of high quality ABS, beautiful appearance, exquisite and small, fashionable and easy to carry, so you can avoid dead feet skin problems. Specification: Item Type: Electric Foot Callus Remover Material: ABS Weight: approx. 205g/7.2oz Battery capacity: 1000mAh polymer lithium battery (comes with built-in battery) Input and output: DC 5V Power: 5W Operating current: 1A High speed: 1700 rpm Low speed: 1500 rpm Gear adjustment: two gears Charging interface: Type C Usage: Replaceable grinding head 1. Make sure the machine is turned off. 2. Hold both ends of the grinding head simultaneously with your index finger and thumb and pull upwards. 3. When installing the required grinding head, press the grinding head down, and the installation of the grinding head is completed. Please refer to the manual for further operations Packing list: 1 x Electric Callus Remover 1xRechargeable: Long endurance, 1000mAh lithium battery, battery life of 1.3H, the specific usage time refers to the self-use time and frequency. Two grinding heads: Two types of grinding heads with thick and fine, gentle repair of foot problems, also with two different grinding particles, solve the problem of dead skin of different thicknesses of feet. ABS Material: Made of high quality ABS, beautiful appearance, exquisite and small, fashionable and easy to carry, let you stay away from dead feet skin problems. Two gear speed control: 1500rpm first gear, dealing with light dead skin, 1700rpm second gear, can solve thick skin cracks, two gears with one button switch. Great Performance: Repair various foot conditions, hard and wear-resistant, easy exfoliation, gentle and skin-friendly, not easy to heat, reduce skin discomfort and pulling.