Specification: Condition: Brand New Material: plastic + frosted stone Function: microdermaabrasion/decocooning/dandruff suction Steps to Exfoliate Dead Skin: 1. Soak your feet thoroughly to soften the cutin and then dry the water on your feet 2. Install the grinding head to lightly grind the keratin, move it from the forefoot to the heel and stay on dry and rough skin for 2-3 seconds (repeat the action) 3. Rub the moisturizer to moisturize the skin, wash the feet with water after rubbing the dead skin, and apply an appropriate amount of moisturizer to the feet How to use the foot sharpener: 1. The green light is the 1st gear, the red light is the second. 2. Short press the switch to switch between one and two gears, long press for three seconds to turn off First gear: 1700 revolutions per minute Second gear: 2000 revolutions per minute Operating: Green light shows low speed rotation and red light shows high speed rotation. When charging: the green light shows that it is full, the red light shows that it is charging Power supply mode: lithium battery Note: 1. Do not immerse equipment in water or rinse with little water anywhere near the equipment 2. Store in a dry place, these measures can reduce the risk of electric shock and damage. Package List: 1 x Foot Sharpener 1 x USB charging cable. 1 x Diamond Frosted Stone 1 x Polished Frosted Stone 1 x brush. 1 x English Manual