The S452BZ Deluxe Plus Dual Handle Rechargeable Sonic Toothbrush feaurest a built -in UV Sanitizer designed to to kill 99.9% of bactrium and germs on the brush heads. The toothbrushs" sonic wave technology provides up to 45,000 sonic strokes per minute to effectively remove plaque without irritating your gums. It"s 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. Dual handles with fashionable zebra design make it perect for him and her.