Product Name: Electric Foot Grinding DeviceMaterial: ABS + electronic componentsPower supply mode: USB chargingBattery capacity: 500mAhLife time: 50 minutesSpeed: 1600-1700 rpmProduct weight: 130gProduct size: 10.5*6.6*5.4cmApplicable parts: feetStrong power, dual-speed speed regulation, effectively remove thick calluses on the feet.Equipped with three grinding heads of coarse/fine/polishing, which can be selected according to needs.The vacuum cleaning system can automatically absorb foot dander powder when grinding the feet.The head of the machine is detachable, which is convenient for washing with water after use.500mAh large-capacity battery, USB charging, can last 50 minutes after being fully charged.Use reminder:1: It is recommended to soak your feet in warm water for about 10 minutes before use. This will soften the cuticle.2: Microdermabrasion should not be too frequent, preferably not more than twice a week.3: Please fully charge the product for the first use.