Unique Design New sleek and innovative design which makes our power toothbrush a step above the rest. Comes in 3 brushing modes depending on your sensitivity to your gums. Ultrasonic Technology Built in UV sanitizer is designed to kill 99.9% of bacterium and germs on the brush heads. Remove & pulsates to break up 300% more plaque along the gum line than a regular manual toothbrush to improve oral health. Highly Effective 40,000 sonic strokes per minute to effectively remove plaque without irritating your gums. It is ideal for those hard to reach areas and removes even the toughest stains to leave your teeth naturally whiter! The system includes 12 bonus brush heads that's 3 years worth of brush heads based on dental professional recommendations to replace your brush head every 90 days. 3 Optional Modes Clean/Normal, Soft, or Massage. Meet different purposes and preferences. No matter sensitive teeth or bleeding gums, you can find one mode that's suitable for you! 2 Minutes Smart Timer Our tooth brush has a 2 minute timer with a 30 second vibrate alert in order to remind you to brush a different quadrant of your mouth and helps you form a good brushing habit recommended by dentist.