Philips Sonic Electric Toothbrush, 3100 Series, Sonic Technology, QuadPacer. Our unique technology brings you a powerful yet gentle clean Removes up 3x more plaquevs a manual toothbrush Built-in pressure sensor protects your teeth & gums Optimize your brushing with SmarTimer and QuadPacer Ergonomic design makes the toothbrush easy to hold and use
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