ELECTRIC FILE FOOT MILLING MACHINE HEEL GRATER Ultra thin quartz scrubbing head is applied to dead skin that rises; Medium fine quartz scrubbing head is applied to newly formed calluses; Coarse quartz scrubbing head suitable for thick calluses accumulated over the years. Two gears can be adjusted: low gear is about 1350 rpm. /min, and high gear is about 1550 rpm. /min. Built-in vacuuming system, automatic absorption of impurities from the feet. High strength, can be used up to 50 minutes after charging. Specification: Item Type: Electric Pedicure Tool Material: ABS Model: NV8615DR Rated voltage: 3,7 V Rated power: 7 W Charging voltage: 5,0 V Charging Current: 1A Usage time: 1 hour Battery capacity: 2000 mAh Size: ok. 180 x 85 mm / 7,1 x 3,3 inches Low gear: 1350 rpm Display Built-in High gear: 1550 rpm Display Built-in List of packages: 1 x Electric Pedicure Tool 3 x grinding head (default 1 is installed on the tool body) 1 x USB cable 2 x Seal