Healthier Gums: equipped with a powerful and industry leading motor producing 40,000 vibrations per minute, this electric toothbrushes for adults can effectively remove up to 100% plaques. Get a thorough 10X cleaning effect than manual toothbrush, 3X than ordinary sonic electric toothbrush8 Replacement Brush Heads & Travel Case Included: 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. Reminder bristle will fade in color, let you know it's time to change the brush head. It's perfect for on the go travel with the included travel case