✔ 【40000VPM High Vibration - Healthier Gums】 : This electric toothbrushes for adults and kids equipped with World-leading Powered Motor to generate 40,000 strokes per minute, and thus dissolve deep tooth dirt effectively without damaging tooth enamel, effectively remove up to 99.99% plaques. 10X cleaning effect than a manual toothbrush and 6X than ordinary power electric toothbrush.✔ 【8 Dupont Heads Last for 2 Years】 : Sonic electric toothbrush comes with 8 DuPont brush heads, which you can use for 2 years. High-density bristles and design in "W" shape can go into the gum thoroughly, removes the stubborn tooth stains deeply. You can share a toothbrush with your family, and use different color collars to distinguish the toothbrush heads of different family members.