Oral-B Pro-Expert Pulsar Toothbrush Medium has soft vibrating bristles that pivot and pulse to give you a superior clean.. Oral-B Pro-Expert Pulsar Toothbrush Medium features soft Micropulse bristles that vibrate between teeth, and helps to break up the plaque for complete dental hygiene. Its pressure-sensitive split head adjusts to the contours of your teeth and helps you easily reach hard-to-reach areas while being gentle on your enamel and gums. Product features Gentle bristles for safe cleaning Penetrates deep between teeth Battery-operated Sweeps away plaque from the tooth surface