he callous remover & massager is powered by two "AA" batteries.(not include). Exfoliating of dead skin cell to reveal a roseate, youthful skin. Convenient and easy to use, this is by far the most time-saving you've used for smoothing the dry, rough skin on you heels. It took about five minutes to sand your extremely rough heels ta a sandal-ready state. - KIT INCLUDES 1.Soft brush for clear up all the scurf cling on the surface. 2.Pumice applicator for felling & something rough callous skin. 3.Make up sponge to massage and clean skin. 4.Latex Sponge Soft latex brush eyes & cheeks. 5.Rolling massager to make better blood circumstances from skin again. 6.Crystal pads to remove unwanted hair. 7.Soft brush to clear up all the scurf clings on the surface. 8.Coarse buffer for removing tough callused skin. 9.Coarse buffer for removing tough callused skin. 10.Fine buffer for final something or for shaping nails. 11.Crude polish accessory to rip the tough skin and cutting. Product Size: 12X08X04 cm.