Description : 31664711 Cleans Better Than The Leading Manual or Battery Brush Pivots Pulses Vibrating MicroPulse Bristles New! Oral-B Pulsar ~ A Clean You Can Feel Removes as much plaque as floss Flexible MicroPulse Bristles: Pivot back and forth to penetrate deeper between teeth* Gently pulse to lift up food and plaque and stimulate gums Fully disposable ~ no need to change any parts Includes 1 non-replaceable Duracell battery. Product is not designed to be opened. Brush as you would with a manual brush. *vs. leading manual brushes Questions? Toll Free or visit oralb.com.