1. Easy to hold and use. 2. and more effective than metal scrapers, easier to use than pumice. 3. Built-in 2500mAh battery, rechargeable. 4. The roller rotates 360 degrees at a speed of 10 times per second, gently and effectively eliminating hard, rough, jagged skin in seconds. 5. Effectively and safely remove the corns, thick , calluses, and chapped cuticles on your feet, making your feet look and feel soft and perfect. Note 1.Only for use on the feet and heels, we don't suggest use this device on other parts of the body. 2.Each roller is recommended for one person only. For hygienic reason, the roller shouldn't be shared with others. 3.Keep it out of reach of children or invalids. 4.Don't use on broken or bleeding skin. 5.Please control the use time and frequency according to the thickness of the individual cuticles, we suggested that use it once every 1-2 weeks, 2-3 seconds at a site and at a time. Colour:Pink Material:Metal Size:168 x 48mm Package Contents: 1 x Electric Callus Remover 60 x Sandpaper 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.