“What safety features does the iO Series 4 toothbrush have to prevent over-brushing or applying excessive pressure?”
This question was generated by AI based on customer and product data.
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The Oral-B iO Series 4 electric toothbrush has several safety features to prevent over-brushing or applying excessive pressure. It features a Smart Pressure Sensor with a visible pressure indicator light that glows green when the optimal pressure is applied, white when the pressure is too low, and red when too much pressure is applied. Additionally, the toothbrush has a built-in timer that encourages a thorough brushing experience by signaling with a short stuttering sound every 30 seconds to move to the next quadrant of the mouth.
This answer was generated by AI based on customer and product data.