Electric foot file care File for Heels Pedicure Tools Callus Remover Charged For pedicure File Hard Dry Dead Cuticle Skin Remover Prodect Description: [360Rotation Design] - The electric foot file can touch the dead skin area as far as possible. Meanwhile it can rotate at 360 degrees, remove all dead skin effectively, such as foot & heel dead skin, dry skin, cracked skin, corn skin and calluses etc. [Speed Control] - You could adjust the most appropriate speed for yourself with speed controller. So you can get best foot callus removal effect. [60pcs Sandpaper] -There are 60pcs replacement sandpaper with this pedicure foot files. Just stick a new waterproof sandpaper on flat head before using and once finished, peel it off which gives you a simple foot callus removal experience. [High quality materials] - Premium aluminum body is good for efficient heat dissipation, no worry about overheat. Great design makes it extremely quiet and smooth when doing foot skin removal. Specifications Material quality: environmentally friendly ABS Charging time: 1.5 hours Gear position: 2 gears Rated voltage: 3.7V Rated power: 2.5W Charging current: 2A Charging voltage: DC 5.0V Battery capacity: 500MAh Caution Never unplug the DC power cord when the motor is runing. please unplug the power cord when it is not at work. The grinding chip diameter cannot exceed 43mm. Please control the use time and frequency according to the thickness of the individual cuticles, use it once every 1-2 weeks, 2-3 seconds st a site and at a time. Since the reduction gear group is adopted in this product,there will be a little mechanical running sound during the initial operation due to the grinding of the gears.