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The iO is Oral-B’s best technology: Clinically Proven 500% More Plaque Removal Along Gumline versus a manual toothbrush. The i04 coaches you to a personalized perfect clean and is on your team for everyday brushing task. The accompanying App shows your daily brushing report. A rounded head and gentle micro-vibrations brush with the magnetic interaction delivers smooth, harmonious motion through a synchronized cleaning action (micro-vibrations synced with oscillations). A built-in two minute timer ensures an even easier experience, helping you get an optimal clean on all your teeth. The timer provides four 30-second intervals to clean each quadrant of your mouth; we keep the time, so you don’t have to. Delivering the perfect pressure is done by having a pressure sensor. The pressure sensor Indicates optimal cleaning pressure and warns of over pressure. Comes complete with an accompanying travel case, you’ll have a fresh clean everywhere you go. Best of all, it is brought to you by Oral-B the #1 brand used by dentists worldwide. 

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Rating 4.7 out of 5 stars with 60 reviews

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  • Rating 4.6 out of 5 stars

  • Rating 4.7 out of 5 stars

  • Rating 4.7 out of 5 stars

93%would recommend to a friend

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

    Oral-B - iO Series 4 Rechargeable Electric Toothbrush w/Brush Head - Black

    Model:iO4 Black
    Your price for this item is $99.99

    4 payments starting at




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