Feature:1. Ultra fine quartz scrub head apply to the dead skin that rises up; Medium fine quartz scrub head apply to calluses that have newly formed; Coarse quartz scrub head suitable for thick calluses accumulated over the years.2. The two gears can be adjusted: the low gear is about 1350RPM and the high gear is about 1550RPM.3. Built‑in vacuum system, automatic absorption of foot debris.4. Convenient washable, and safe, easy to disassemble, dust collecting grooves and grinding head can be cleaned separately.5. Strong endurance, can use for up to 50 minutes after charging completed.Specification:Condition: 100% Brand NewItem Type: Electric Pedicure ToolMaterial: ABSModel: NV8615DRated Voltage: 3.7VRated Power: 7WCharging Voltage: 5.0VCharging Current: ≤1AUsage Time: 1hBattery Capacity: 2000mAhSize: Approx. 180 x 85mm / 7.1 x 3.3inLow Gear: 1350RPMHigh Gear: 1550RPM Package List:1 x Electric Pedicure Tool3 x Grinding Head (1 is installed on the tool body by default)1 x USB Cable 2 x Gasket