Features： 1、FEET CALLUS REMOVER: Electric foot scraper would effectively solves the problem of harmful sustance growing on the gaps and protects your feet health. 2、SAFE TO USE: Bulid in intelligent safety lock, if the pressure is too strong,it will automatically stop working and avoid damage to the healthy skin. 3、 GRINDING HEADS: Has 2pcs replacement quartz sand grinding heads, you can choose suitable grinding head according to the skin to care, make your feet restore the delicate and smooth skin. 4、WATERPROOF DESGIN: Electric foot file has waterproof design, whole body can be rinsed under running water. You can washing it and keep clean after using. 5、LONG LASTING: Portable design, small size and light weight, built in 1200mAh large capacity lithium battery, long standby time, durable. Specification： Item Type: Electric Foot File Material: ABS Battery Capacity: 1200mAh Battery Type: Lithium ion battery (built in) Package List： 1 x Electric Foot File 2 x Roller Heads 1 x Cleaning Brush 1 x USB Charging Cable 1 x Instruction Manual