Compatibility: Rebeool brush heads compatible with Braun Oral B Electric Toothbrush, Replacement Heads for Vitality Pro, Vitality 170, Vitality 100, Genius X, Smart 4 4500, Pro 3. (Excluding IO models and ultrasonic electric toothbrushes) Leading Medium Hardness Bristles for Superior Cleaning: Medium softness is our thoughtful design! Powerful bristle vibrations push microbubbles deep between teeth and along the gum line, gentle on teeth and gums, yet effective in removing plaque and surface stains. (Say goodbye to the hassle of vibrations caused by stiff bristles from now on.) Warning Bristles: The warning bristles will fade the colour to remind you to replace the toothbrush heads, ensuring more effective cleaning. (We recommend replacing the toothbrush head every 3 months.) A SOLID CHOICE TO SHARE: Including 8 round toothbrush heads that you can replace in 24 months. Each toothbrush head is equipped with a colourful ring for easy sharing between family members.
