Philips DiamondClean Smart 9400 HX9918/89 Rechargeable Toothbrush

Philips

Philips DiamondClean Smart 9400 HX9918/89 Rechargeable Toothbrush

Name: Philips DiamondClean Smart 9400 HX9918/89 Rechargeable Toothbrush
Brand: Philips

4 brushing modes, pressure sensor and 14 days autonomy with Bluetooth connectivity.

Manufacturer reference HX9918/89

70 /100 Its best score: the most brush heads included, rated "very generous" on its category’s scale.

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offers it on this market

What the Philips DiamondClean Smart 9400 HX9918/89 Rechargeable Toothbrush is worth

The Philips DiamondClean Smart 9400 HX9918/89 is an ultrasonic toothbrush for adults, equipped with a rechargeable Lithium-Ion battery providing 336 h autonomy, equivalent to 14 days of use. It delivers 62000 movements per minute with 3 adjustable speeds and offers 4 brushing modes, including gum care and whitening. A pressure sensor signals excessive force through a purple light ring and vibrations.

With an overall score of 70/100, this model sits at the market median for autonomy (70/100), its 4 brushing modes (70/100) and frequency of 62000 movements per minute (70/100). It includes a timer, brush change indicator and Bluetooth connectivity compatible with iPhone and Android apps. The pack includes 1 handle, 4 A3 All-in-One brush heads, a charger and charging case.

This model suits users seeking a connected sonic brush with multiple cleaning modes and mobile app tracking. The pressure sensor and gum care mode fit those attentive to gingival health. With 2 years warranty, it positions in the above 80 € range, offering advanced technology and varied accessories.

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Brush heads Very generous

4 pc(s) · category median: 2 pc(s)

Modes Good

4 · category median: 3

Speed Good

62,000 movements per minute · category median: 62,000 movements per minute

Battery life Average

336 h · category median: 504 h

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Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

Manual PDF 1.8 MB

Specifications

Features 15

Purpose Adult

Toothbrush type Sonic toothbrush

Adjustable speed Yes

Integrated timer Yes

Number of teeth brushing modes 4

Teeth brushing modes Gum care, Whitening

Toothbrush frequency (pulsations) 62000 movements per minute

Product colour Black

Mobile app support Yes

Number of speeds 3

Pressure sensor Yes

Brush change indicator Yes

Indication light Yes

Bluetooth Yes

Compatibility iPhone with Bluetooth 4.0 and above ; Android phones with Bluetooth 4.0 and above

Power 5

Power source Battery

Battery type Built-in battery

Battery life (max) 336 h

Rechargeable Yes

AC input voltage 100-240 V

Other features 1

Warranty period 2 year(s)

Packaging content 5

Number of handles included 1 pc(s)

Number of brush heads included 4 pc(s)

Charger Yes

Charging case Yes

Included brush heads 4 A3 All-in-One

Battery 3

Battery technology Lithium-Ion (Li-Ion)

Rechargeable battery Yes

Battery level indicator Yes

Technical details 8

Operating time (Full to Empty) 14 days

Smartimer None

Cleaning modes For exceptional everyday cleaning

Timer BrushPacer and Smartimer

Easy click-on brush head Yes

Gum Health mode Gently massages your gums

Pressure feedback Ring lights up purple; Vibration and pulsing sound

Replacement reminder Lets you know when to replace your brush head

Who this model suits

It’s for you if

Your first criterion is the brush heads: it happens to be its best score.

You want a good score on the modes, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the battery life: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

Maximum battery autonomy reaches 336 h, equivalent to 14 days of use. The lithium-ion battery recharges on the included charger and a level indicator signals when to recharge.

The model offers 4 modes including Gum Health and Whitening. Modes operate at 3 adjustable speeds with a frequency of 62000 movements per minute.

The pressure sensor triggers three signals: the ring light turns purple, the brush emits a vibration and a pulsing sound. These feedbacks allow immediate adjustment of applied pressure.