USB soft fur rechargeable toothbrush $ 7.11 Material: ABS plastic + silicone Size: height 225mm diameter 25mm Input interface: micro-usb Input parameter: 5V 1A Rated voltage: 3.7V Battery capacity: 500mAH Battery life: continuous working for 4 hours and 60 days of long battery life (twice a day and two minutes each time) Waterproof level: IPX7