Product color: whiteVoltage: USB charging DC5V can use car charger, computer USB, power bank and other voltages.Power: 6wCharging time: about 2.5 hoursMotor speed: about 13500RPMMachine speed: fast gear is about 2200RPM, slow gear is about 1700RPM.Main functions: 1. Remove dead skin, calluses and cutin. 2. Vacuum dust and collect dander.How to use: Press and hold the switch for 2 seconds to enter the slow gear by default, and the green light is on. Press the switch once again to enter the high gear.Battery type: Lithium battery 1200 mAh, continuous battery life is about 100 minutes, depending on personal usage habits and cleaning methods. This machine is waterproof. After the skin is polished, the head can be washed separately, or the whole machine can be rinsed under the faucet (prolonged soaking in water is prohibited).Product selling point introduction1. Dust collection and dust collection functions.2. Free switching between fast and slow speed.3. The whole machine can be washed with water.4. 1200 mAh large-capacity lithium battery, fast charging, long-lasting battery life. Low noise.5. Charge to change the light, switch between two gears to adjust the light.6. Overcharge and overdischarge protection system.7. Fashion streamline design, non-slip handle, ergonomic.8. This machine is equipped with a foot grinder with a coarse sanding head (default), a coarse sanding head, a fine sanding head, a USB charging cable, a cleaning brush, and a transparent protective cover in the box. One color box instruction.