2 In 1 Electric Callus Remover Pedicure Machine Foot Care Tool USB Rechargeable Nail File Polish Roller Grinding Manicure Tools Note: The product is able to wash with water directly. But wipe the nailpolishingroller with a soft cloth only, and it is wrong to be soaked in the water or flush. The foot grinding head is only used for foot and heel, the nail polishingroller is only used for nail surface, dont apply to other parts of the body. Each roller is recommended for only one person. For hygienic reason, the roller shouldnt be shared with others. Feature: USB charging design, more convenient to use. ABS plastic material, safer and more effective than metal scrapers and easier to use than a pumice stone. Three different replaceable rollers to meet your foot care and nail care needs. 2 files speed adjustable, and 360 degree rotating roller, the fine/rough grinding head can effectivelyremove corns, thick dead skin, calluses, chapped cuticles on your feet,the nailpolishing roller can be used to smooth and polish your nails, make your feet tender and nails smooth. Specification: Material: ABS Input: 5V 1000mA Power: 3W Power supply: USB charging Battery capacity:1000mAh Charging time: 6-8 hours Using time: 30 minutes Color: Silver white Size: 18.5*6cm(Length*Width) Weight: 183g Package Content: (Packed in safe bubble bag,withoutbox) 1 x Host 1 x USB charging cable 1 x Rough grinding head 1 x Fine grinding head 1 x Nailpolishingroller 1 x Cleaning brush 1 x User manual(English)