Oral-B Pulsar Gum Care battery toothbrush gives you the control of a regular manual brush and gum massaging vibrations. The brush has vibrating bristles to gently stimulate gums. It removes up to 90% of plaque in hard-to-reach places. With vibrating bristles to gently stimulate gums, Battery-operated toothbrush removes up to 90% of plaque in hard-to-reach places, Pulsar gives you the control of a regular manual brush and enhanced deep cleaning power, Slim Handle with built-in power supply.