Item vibrates when placed on charger but does not seem to hold any charge and won't operate. The Philips Sonicare 3100 Series Electric Toothbrush (model HX367W1) is a white rechargeable toothbrush with a sonic motion and a battery power source. It has a single speed and features a fast charge capability with a charging indicator. Designed for unisex adults, this electric toothbrush from the Philips Sonicare product line is crafted from ABS plastic and is capable of providing efficient oral care.
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