Electric Toothbrush Specifications: 1. Vibration Frequency: 42000 time/minute; 2. Rated Voltage/Power: 3.7v/2.0w; 3. Service Time: 60-70days(2time/day, 2min/time); 4. Battery Capacity: 2000mAh; 5. Charging Time: 5 hours; 6. Waterproof Level: IPX7 What You Get: * 2 brush head * 1 toothbrush handle * 1 charging cable * 1 charging base * 1 user manual Safety Information： 1. Do not be exposed to the sun, stored at dry or ventilated place; 2. Keep the handle and charging base dry when charging for the toobrush; 3. Recommend replacing the brush head every three months; Warm Tips： 1. If you have any questions about electric toothrushs, you all could send message to our service team, we will do our best to let you have a happy shopping experience. 2. It is normal that your teeth numb when first use the electric toobrushes. 3. Children under 12 use the sonic electric toothbrush with supervision by the guardian.