Pulsar has soft vibrating bristles that help break up plaque between teeth. Just turn it on and brush as you would with a regular manual toothbrush. Plus, Pulsar's pressure-sensitive split head adjusts to the contours of your teeth to clean hard-to-reach places. Pro-Health Pulsar toothbrush penetrates deep between teeth. Sweeps away food and plaque from the tooth surface. Adjusts to the contours of your teeth. Vibrating bristles polish and massage. Made in United States.