Electric Fully Automatic Rechargeable Sonic Vibration Toothbrush $ 73.17 Product information: Power supply mode: USB Control method: push button Applicable people: adults Electric toothbrush type: sonic Color: pink, blue Charging method: inductive charging Endurance: After a full charge, it can be used for 30 days Charger: USB charging base *1 Charging time: 16 hours Charging indicator: when the red light is breathing, the battery is less than 40%