Effectively Remove Plaque with 7 Days: With super 40,000 high-frequency vibrations and U-shape bristles that fit the shape of the teeth, the sonic electric toothbrush for adults and kids pushes the toothpaste into hard-to-reach areas, deeply reaching along the gum line and between teeth to ensures removing plaque effectively, thorough and lasting cleaning of your teeth, and freshening the breath 2 Whole Years Of Peace Of Mind: The rechargeable toothbrushes are more durable than similar ultrasonic toothbrushes on the market with 8 soft replaceable dupont brush heads, that will last for a full 24 months. It offers excellent value, no need to order toothbrush heads for 2 years (dentists recommend changing brush heads every 3 months) Cares Different Dental Needs: - The sonic toothbrush for adults and kids offers 5 effective tooth brushing modes to suit your different oral care needs. At the beginning, use the sensitive mode (for beginners or sensitive teeth) and switch to clean (for daily cleaning), white (for removing stubborn discolouration), polish (for lighter teeth) and massage (for improving the health of the gums and blood circulation) Up To 120 Days Of Use On A Single Charge: This adult electric toothbrush is designed for your convenience. It is fully charged in 3 hours, this rechargeable toothbrush can last up to an incredible 120 days, perfect partner for travel Develop Healthy Tooth Brushing Habits: Built-in 2 minutes timer to ensure scientific brushing time, electric toothbrush pauses every 30 seconds to remind you to change the brushing area to make sure kids especially 6-12 brush teeth thoroughly