Feature:1. 2 Speeds: The electric foot grinder can switch between two speeds at the touch of a button. 2500RPM high speed for deep , 2000RPM low speed for soft care.2. 360 Degree Rotation: The electric foot callus remover rotates 360 degrees to automatically remove dead skin and calluses from your heels in minutes.3. Convenient and Washable: Fine grinding head for daily care, Coarse grinding head for removing hard and rough dead skin (one of the grinding heads is attached to the machine), which are both washable and easy to .4. EVA Material: The electric foot callus remover is made of EVA and quartz sand, which is wear resistant and durable.5. Cordless Design: The foot file electric built in vacuum er, which can be used for 60 minutes with only about 3 hours of charging. Cordless and lightweight design for travel.How to Use:1. Remove the dust cover on the foot grinder2. Long press the bottom button to power on, short press to adjust the gear, long press the button3. Put your hand into the card slot to buckle the sanding head, and the sanding head can be separated from the fuselage by pushing the sanding head outwardSpecification:Item Type: Electric Foot GrinderProduct Material: EVA, Quartz SandProduct Size: Approx. 5.8 x 6.6 x 9.6cm / 2.3 x 2.6 x 3.8inGears: 2 Levels, 1 Level 2000 Rpm, 2 Levels 2500 RpmBuilt in Battery Specification: Li Ion Battery, 1200mAhPackage List:1 x Electric Foot Grinder1 x Dustproof Cover1 x Replacement Grinding Head1 x Brush1 x Charging CableNote:Shipped with Built in Battery