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Multifunctional spraying toothbrush
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The more head toothbrush of countdown formula
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Toothbrush option executing system
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Water spray duration extraction system
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Gum characteristic differentiation platform
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Water spray runoff investigation system
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Water-proof type electric brush head
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Permanent magnetic brushless drive system
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Auto-manual gear adjusting mechanism
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Allergy physique monitoring platform
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Acne target detection mechanism
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