Specification: Model: JD-502R Power: 2W Color:Pink /BLue(Color sent by random，or make a message about what color you want.) Input: 100-240VAC 50/60HZ Output:12V 400Ma Speed:4200RPM Vibration Frequency:7400RPM Size:154mm*58mm*32mm Feature: ?100% Brand new and High Quality ?Ground-breaking device takes chore out of smoothing skin on the feet. ?Gently nd effecitively buffs away dead ，calloused，hard and dry skin in seconds. ?Safer and more effecitive than metal scrapers，which use blades to cut the skin. ?Easy and fun to use unlike pumice stones that require constant rubbing. ?Lighting design is convinient and mor fashionable. ?Light and small ， easy to carry when on business or travel . ?It has unique rollers grinding，so it is safer and more efficient ，easy and fun to use. ?Grinding head can remove alone with a Brush clean. Package included: 1* Callous Remover 1*Spare Grinding head roller 1*Grinding head protection cover 1* External adapter plug(CN cord) 1*Cleaning brush 1*Operation Introduction 1*Packing Box