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i-toothbrush / i-toothbrush


Do not know the brush how long it appropriate or not clear whether brushing “i-toothbrush” color gradient in order to remind your teeth is clean when brushing. Red toothbrush handle, said there is still residual bacteria, become green, said teeth have been cleaned, you can end the brushing process timely and decisive.



郑州, China



郑州, China