Thank you for viewing. This is the Dr. School Electric Callus Remover. - Color: Blue - Application: Heel file The device has been tested and is working, but it is a used item, so there may be some minor stains. Please also refer to the following description: --------------------------------- This is the Dr. Scholl Velvet Smooth Electric Foot File. The electric roller head rotates at high speed to quickly remove hard calluses from the soles of your feet. The roller head, containing marine mineral powder, effectively removes old calluses, leading to soft and smooth feet. The ergonomic grip is easy to hold and use. You can easily care for a wide area of your heels, from large areas to fine details like heel calluses.