Overview: 1. USB charging port, can charge for 4 hours, take it and use it 2. Quartz sand grinding head can reduce the skin pulling sensation, and the speed of cocoon emergence is fast without hurting the feet 3. As it is not waterproof, the grinding head must be removed and cleaned. 4. Two-speed modes, green light 1900 speed points, blue light 160 points, free adjustment 5. The vacuum absorption system is equipped with a sponge to prevent debris from entering. Note: Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown in the picture. Thank you! Due to manual measurement, please allow a measurement deviation of 1-3mm. Specification: Color: pink/blue/white Charging voltage: 5V Rated power: 2W Battery capacity: 500 mA Shape material: ABS Size: 110 * 65 * 65mm / 4.33 * 2.56 * 2.56 inches Package Content: 1 X foot sharpener 1 X USB charging cable 1 X Manual