Feature:1. The size is ideal and it is gripped with a handle, making grinding feet more laborsaving.2. Black foot grinding technology, blue light cleaning and repairing, better care for your feet.3. High power, strong enough, builtin powerful motor 7w high power, long working time.4. The blue light is always on, the 1st gear is lowspeed, and the dead skin is gently removed.5. The blue light flashes, the 2nd gear is highspeed gear, powerfully eliminates calluses.Specification:Condition: Brand New Item Type: Electric Foot FileGear Position: 2 gearsVoltage: 3.7VPower: 7WBattery Type: Lithium BatteryBattery Capacity: 2000mAhInstructions:1. Soak your feet in warm water for about 10 minutes and then wipe dry2. Remove the upper cover of the grinding head3. Select the appropriate grinding head to be stuck on the buckle according to your needs4. Use the side of the grinding head to fully contact the dead skin position (select low and high gears according to needs)Function and Exfoliating Steps:In the shutdown state, long press the power button for 2 seconds, the machine is turned on, the blue indicator light is always on, and the grinding head runs in a low gear. Short press the power button, the indicator light flashes blue, the grinding head enters the high gear mode, under normal power on, short press the power button, the grinding head switches between high and low gear modes..Package List:1 x Host1 x Cover2 x Grinding Head2 x Sponge1 x USB Data Cable1 x Packing Box