Sonic rechargeable toothbrush features a built -in UV Sanitizer designed to kill 99.9% of bacterium and germs on the brush heads. Sonic wave technology provides up to 45,000 sonic strokes per minute to effectively remove plaque without irritating your gums. Ideal for those hard-to-reach areas and removes even the toughest stains. System includes 12 Bonus Brush heads. Dual handle with fashionable silver and black design. Utilizes germicidal UV bulb to kill 99.9% of bacterium and germs left on the brush heads. Runs on a Lithium Ion battery.