Powerful Motor & 2 Speeds Adjustable:Electric Foot Callus Remover have High-quality powerful motor. Also has 2 Speeds Adjustable, 1700x/min when at low speed and 2000x/min when at high speed.If the pressure is too strong,it will automatically stop working and avoid damage to the healthy skin. USB Rechargeable & Power Tip :The cordless electric perfect callus remover has 1200 mAh large capacity lithium battery.The USB charging time for 4 hours,it can powerfully run continuously for about 120 minutes.While charging, the red indicator light is on. When fully charged, the green indicator lights. Easy to Use & Comfort: electric callus remover effectively buffs away thick and rough skin for effortless fast results.Enjoy Happy Feet with this quick and simple foot buff treatment at home. Easy to clean: electric foot callus remover After use the grinding head can be detachced leaned immediately.it can be rinsed with water for next use.Effectively solving the problem of dandruff residue.At the same time, it also has an automatic chip suction function to prevent swarf splashing. Charging method: USB lithium battery fast charge Gear position: strong and weak two gears Power: 8W Usage: charge and plug dual purpose Cleaning method: grinding head washing colour:white material:ABS size:15.5x11cm Package Contents: 1 * Pedicure 1 * Coarse grinding head 1 * Fine sand grinding head 1 * Massage head