ARM & HAMMER SPINBRUSH PRO BATTERY TOOTHBRUSH The Arm & Hammer Spinbrush Sonic Battery Toothbrush uses advanced sonic technology, which is clinically proven to remove up to 90% of plaque in hard to reach places. Bristles move at up to 16, 000 precision micro-sweeps per minute to provide a dynamic fluid action which cleans in between teeth. ADVANCED SONIC TOOTHBRUSH HEAD DESIGN Multi-level plaque remover s Angled for hard-to-reach places THE SONIC DIFFERENCE The Arm & Hammer Spinbrush Sonic Battery Toothbrush delivers dynamic fluid action to drive toothpaste & water where bristles can’t reach, effectively removing plaque. 16, 000 PRECISION MICRO-SWEEPS PER MINUTE Helps take care of your teeth & gums. DYNAMIC FLUID ACTION Pushes water & toothpaste in between teeth for better cleaning. MULTI-ANGLE, MULTI-LEVEL BRISTLES Gets at hard-to-reach areas.