product description: 1. Material: Aluminum 2. Color: black 3. Size: height 10.8CM, bottom diameter 4.3CM 4. Parameters: Power supply: 5v Power: 18 watts Power supply: uSB power supply 5. Selling point: (1) Effectively remove callus and make feet smooth, 360 degree rotation, easy to operate (2) Using pure aluminum body, stylish and durable, pure copper wire, stable performance (3) Ergonomic design, comfortable grip, all copper motor, long service life (4) Replaceable sandpaper, clean and hygienic, adjustable speed, can meet different needs package: 1X electric foot grinder 1X USB cable 1 x Box of Sandpaper(60pcs) 1X English manual 10 x Nail Rubbing Strips

Effectively remove callus and make feet smooth, 360 degree rotation, easy to operate