Electric exfoliating and softening callus scraper - Soft and silky feet from the first application - Can be used on dry and wet feet - Various replacement rollers available, according to needs: extra exfoliating, ultra exfoliating, contouring - Works with interchangeable rollers (1 roll included) and batteries (2 AA batteries included) - Instructions: carefully read the user instructions - We recommend using Scholl rollers with Velvet Smooth electric files and change them every 3 months for optimal efficiency - You can use this roller on wet or dry feet - Do not immerse the device in water - With over 100 years of knowledge and experience, Scholl has become a world leader in improving foot well-being - To this day, we continue to passionately and dedicatedly follow the values of the company's founder, Dr. William Mathias Scholl - All Scholl products are specifically designed for you to enjoy every step - Our goal is to improve the health, comfort, and well-being of everyone by taking care of their feet - Box contents: electric file - Measurements: Width: 6.46 cm, Height: 7.95 cm, Length: 2.36 cm, Weight: 0.27 kg