1. The accessories of Arofaue electric callus remover 2W include: foot grinder host *1+type-c cable *1+manual *1+sanding disc 20 pieces set (sanding disc coarse sand *10+sanding disc fine sand *10)+10*120# brown sanding circle +10*80# brown sanding circle. Host: 14.3*3.1*3.1cm, turntable size: 4.4*4.4*2cm, grit shaft size: 1.27*1.27cm. package weight 330g, product material: aluminium alloy, note that our foot file electric is not waterproof (wet feet available but can not be soaked in water) 2. Arofaue electric callus remover has 6 gears speeds, gears 1: 630RPM, gears 2: 700RPM, gears 3: 760RPM, gears 4: 810RPM, gears 5: 840RPM, gears 6: 860RPM.Torque:3.7kg, Grinding disc/wheel type: natural volcano foot grinding stone grinding discs, 2 kinds of interchangeable (fine sand/coarse sand) Switch type: long press to switch on/off - click to adjust the speed (six speeds in total - according to the light indication, the second button to adjust the forward and reverse rotation 3. Our electric foot file is type-c interface charging, battery size: 1200mah, duration: maximum gear can be used 1.5 H. Charging indicator light has been blinking, fully charged to stop blinking Replacement of the abrasive sheet need to tear the back of the abrasive sheet adhesive paper layer, completely torn to reveal the adhesive surface, hold the abrasive sheet, aligned with the centre of the foot grinder grinding disc flat sticky, slight pressure to fix