The Prospera Foot Smoother buffs away hard skin on your feet, and rough skin in other body areas in just a few minutes. You will feel so smooth and beautiful afterwards. Prospera grinding roller adopts unique trace mineral grains, soft and comfortable. Grinding head rotate 360 degrees allows efficient and complete cleaning of rough and dead skin.This electronic device is easy to use, just turn at the indicated line, and the device is turned on. Move the foot smoother back and forward once or twice in the area to remove dead or rough skin. It also helps you to manage and shape nails and other body skin areas effectively. Product Specifications• Electronic, easy to use• Ergonomically designed• Power: DC6V (4 Aa, not included)• Use time 4 hours for new 4AA• Rotation 1400 rpm, powerful motor• Roller head 360° free rotation• Roller material: carborundum• Rollers washable• Water proof: IPX6• Device life time>10 years, continuous use >75 hrs• Dimensions 5""x8""x2""• Weighs 6.88Oz