This developed USB charging electric grinder has PVC shell material, CNC grinding gear, built-in high capacity rechargeable battery, the surface covered with a healthy coating. The products can be divided into three layers, the top of the control switch and opening, the middle layer is abrasive, the bottom of the discharge port. The middle switch of the product is the discharge port switch.
2. USB charging*1
3. brush *1
1. please do use when charging
2. Each charging time is 2-3 hours approximately
3. Charging can be achieved by computer, car charging, power bank via a USB cable.