1、Absorb the powder generated during use, and the generated dander is absorbed in the cleaning sponge. 2、3 types of grinding heads are available to easily remove thick calluses from the feet. 3、The fine quartz sanding head is suitable for dead skin, the medium‑fine quartz sanding head is suitable for hard cocoons, and the thick quartz sanding head is suitable for thick cocoons. 4、The dust storage bin and the grinding head can be cleaned separately, the head can be cleaned, and the body is not waterproof. 5、With 2 levels adjustable, with small size, easy to carry and store, convenient to use and with good performance.Item Type: Electric Foot Grinder Product Stalls: 2 levels Product Voltage: 5V Battery Type: Lithium battery Battery Capacity: 1000mAh Charging Time: 3h Instructions: 1. Soak your feet in warm water for about 10 minutes and then wipe dry 2. Remove the upper cover of the grinding head 3. Select the appropriate grinding head to be stuck on the buckle according to your needs 4. Use the side of the grinding head to full contact the dead skin position (choose low and high levels according to needs)1 x Host 1 x Cover 2 x Grinding Head 1 x Sponge 1 x USB Data Cable 1 x Brush 1 x Cover Strip