Concerning this item: These sonic electric toothbrushes for adults and children are equipped with a powerful, industry-leading motor that produces 40,000 RPM, effectively removing up to 99.99% of plaque. Obtain a deeper clean than with a manual toothbrush and six times that of a typical electric toothbrush. Last for: The eight DuPont brush heads that come with the Sonicare electric toothbrush are good for two years. The "" design and high-density bristles can deeply remove stubborn tooth stains by penetrating the gums. You can share a toothbrush, and you can identify different family members' toothbrush heads with different colored collars. When the brush head needs to be changed, you will know it. & 45 - Sonicare electric toothbrushes for children and adults charge quickly via a cable while providing effective, long-lasting cleaning.