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    • 2-year warranty

    • 7-day returns

    • Free delivery on orders over $200

    Philips Sonicare DiamondClean Smart

    Sonic electric toothbrush with app

    HX9924/46
    • Removes up to 10x more plaque* for a deep clean
    • Up to 7x healthier gums* in just 2 weeks
    • Remove up to 100% more stains** in just 3 days
    • Enjoy long-lasting fresh breath
    $ 399.00
    In stock
    .

    • than a manual toothbrush
    • * as compared to a manual toothbrush with a leading whitening toothpaste
    • * compared to DiamondClean
    • *** in Gum Health mode vs a manual toothbrush at 2 weeks
    • **** after 3 days of use in White+ mode vs a manual toothbrush
    • ***** based on two periods of two-minute brushings per day on standard mode
    Removes up to 10x more plaque* for a deep clean

    Removes up to 10x more plaque* for a deep clean

    Click on the C3 Premium Plaque Control brush head to experience our deepest clean. With soft flexible sides, the bristles contour to the shape of each tooth's surface to provide 4x more surface contact*** and remove up to 10x more plaque from hard-to-reach areas*.

    Up to 7x healthier gums* in just 2 weeks

    Up to 7x healthier gums* in just 2 weeks

    Click on the G3 Premium Gum Care brush head to improve your gum health. Its smaller size and targeted gum line bristles deliver gentle yet effective cleaning along the gum line, where gum disease starts. It's clinically proven to deliver up to 100% less gum inflammation* and up to 7x healthier gums in just two weeks.*

    Remove up to 100% more stains** in just 3 days

    Remove up to 100% more stains** in just 3 days

    Click on the W3 Premium White brush head to remove surface stains and reveal your whitest smile. With its densely packed central stain removal bristles, it's clinically proven to remove up to 100% more stains in just three days.**

    Enjoy long-lasting fresh breath

    Enjoy long-lasting fresh breath

    Click on the TongueCare+ tongue brush to gently remove odor causing bacteria from the pores of your tongue. Its 240 specially designed MicroBristles get between all your tongue's ridges and grooves to remove bacteria and debris that lead to bad breath. Team with our antibacterial BreathRx tongue spray for superior cleaning and super fresh breath.

    Start taking better care of your trouble areas

    Start taking better care of your trouble areas

    Any trouble areas your dentist has pointed out? We'll highlight them on your in-app 3D mouth map, and remind you to pay extra attention to these areas.

    Guides you to brush and highlights missed areas

    Guides you to brush and highlights missed areas

    The Philips Sonicare app lets you know when you've achieved a thorough clean, and coaches you to be a better, more mindful brusher.

    Guides you to reduce your scrubbing

    Guides you to reduce your scrubbing

    With an electric toothbrush, you let the brush do the work. We've built a scrubbing sensor into your handle as a gentle reminder to reduce scrubbing. This way, you can improve your technique and get a gentler, more effective clean.

    Brush heads automatically select the optimal settings

    Brush heads automatically select the optimal settings

    Wondering which mode and intensity you should use? Wonder no longer. A microchip in your brush head tells your DiamondClean Smart which one you're using. So if you click on a gum-care brush head, for example, your toothbrush knows to select the optimal mode and intensity to provide a gentle yet effective care for your gums. All you need to do is to press the power button.

    Make sure you're getting the most from your brush head

    Make sure you're getting the most from your brush head

    Brush heads wear-out over time and become less effective at removing plaque. With smart brush head recognition you'll never lose track of when to replace your brush head. Your toothbrush tracks how long and hard you've brushed with each brush head, and will alert you when it's time to replace. You can also monitor the lifetime of your brush heads in the Philips Sonicare app, and even order replacements so you're never caught short.

    Choose from 5 modes and 3 intensity settings

    Choose from 5 modes and 3 intensity settings

    DiamondClean Smart comes with five modes which cover a range of brushing needs: Clean mode is for exceptional daily cleaning, White+ is for removing stains, Deep Clean+ gives you an invigorating deep clean, Gum Health provides a gentle yet effective clean for gums, and Tongue Care is the perfect mode for cleaning your tongue. It breaks up tongue debris and sweeps away bad-breath bacteria. Three intensities allow you to choose between a higher setting to boost your clean and a lower one for more-sensitive mouths.

    Alerts you if you're pressing too hard

    Alerts you if you're pressing too hard

    You might not notice when you brush too hard, but your DiamondClean Smart will. If you use too much pressure, the light ring on the end of your handle will flash. This is a gentle reminder to ease off the pressure, and let your brush head do the work. 7 out of 10 people found this feature helped them become a better brusher.

    Takes you back to any missed spots for 100% coverage

    Takes you back to any missed spots for 100% coverage

    If you happen to miss a spot while brushing your teeth, your app's TouchUp feature will show you. You can then go back for a second pass, and be confident you are getting a complete clean, every time.

    Easy and stylish charging - home and away

    Easy and stylish charging - home and away

    You'll enjoy two weeks of regular use from a single full charge. However, if you run low while traveling, your deluxe USB travel case doubles as a charger. Place your toothbrush in the case and either connect it to your laptop or a wall socket. As for charging at home - simply place your brush in your sleek charger glass - it fits stylishly into your bathroom and also doubles as a rinsing glass.

    Modes
    Clean For exceptional everyday clean
    White+ To remove surface stains
    Deep Clean+ For an invigorating deep clean
    Gum Health Special attention to molars
    TongueCare+ For long lasting clean breath
    3 intensities High
    Medium
    Low
    Items included
    Handle 1 DiamondClean Smart
    Brush heads 1 C3 Premium Plaque Control
    1 G3 Premium Gum Care
    1 W3 Premium White
    1 TongueCare+ tongue brush
    Glass charger 1
    Travel case USB charging travel case
    BrushSync Mode Pairing
    C3 Premium Plaque Control Pairs with Clean mode
    G3 Premium Gum Care brush head Pairs with Gum Health mode
    W3 Premium White brush head Pairs with White+ mode
    TongueCare+ tongue brush Pairs with TongueCare mode
    Connectivity
    Bluetooth® wireless technology Connected brushing app
    Compatibility
    Android compatibility Android phones
    Bluetooth 4.0 enabled tablets
    iOS compatibility iPad 3rd Gen or higher
    iPhone 4S or higher
    with iOS7 or higher
    Design and finishing
    Color Gray
    Cleaning performance
    Speed Up to 62000 brush movement/min
    Performance Removes up to 10x more plaque*
    Health benefits Up to 7x healthier gums****
    Whitening benefits Up to 100% less stains*****
    Pressure feedback Ring lights up in purple
    Vibrates handle to alert user
    TouchUp Ensures 100% coverage
    Timer BrushPacer and SmarTimer
    Smart sensor technology
    Pressure sensor Alerts when brushing too hard
    Location sensor Tracks & improves coverage
    Scrubbing sensor Guides to reduce scrubbing
    3D mouth map Highlights trouble areas
    TouchUp To address missed spots
    Ease of use
    Handle compatibility Easy click-on brush heads
    Brush head recognition Syncs with optimal mode
    Replacement reminder To always ensure best results
    reminder icon lights up
    Battery indicator Illuminated icon indicates battery life
    Handle Slim ergonomic design
    Display Illuminated display
    Technical specifications
    Battery Rechargeable
    Battery type Lithium ION
    Operating time (full to empty) 14 days******
    Power
    Voltage 110-220 V
    Service
    Warranty 2-year limited warranty
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    Frequently asked questions
    Manuals and Documentation
    User manual
    3.1 MB Published  2019-07-28
    Leaflet
    1.1 MB Published  2019-07-28
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