EN
ZH

Philips Sonicare AI Toothbrush 

Exceptional care personalized to you with SenseIQ


Our most advanced power toothbrush equipped with intelligent SenseIQ technology. It automatically senses pressure and adapts the intensity if brushing too hard, delivering an exceptional care personalized to you. 

Suggested retail price: HKD2,688.00
Sonicare video

Our most advanced electric toothbrush always gets you, sensing your brushing style and adapting to you as you clean with the Premium All-in-One brush head.

Sonicare video

Product features

Personalized brushing that always gets you

SenseIQ technology

SenseIQ
technology

Checkmark icon

Senses and adpats to you in real time 

Adapts to you automatically by adjusting intensity when it senses you push too hard.

Checkmark icon

Pressure feedback 

If you apply excess pressure, the handle will change its vibration and the brushing feedback light will flash (purple) until you reduce the pressure.

Checkmark icon

Scrubbing feedback

If you scrub while brushing, the handle will change its vibration and the brushing feedback light will illuminate (amber) until you stop scrubbing.

One brush head for complete care

One brush head
for complete care


The Premium All-in-One brush head is our all-time best and the only thing you need to achieve cleaner, whiter teeth and healthier gums without switching between brush heads. This does everything.

Checkmark icon

Up to 20x more plaque removal with angled bristles*

Checkmark icon

Up to 15x healthier gums with extra-reach side longer bristles**

Checkmark icon

Remove up to 100% more stains with triangular tips***

*Versus a manual toothbrush 

**Versus manual toothbrush in 6 weeks

***In lab test versus a manual toothbrush in 2 days

Sonicare app

Philips Sonicare App

Personalized guidance, powered by AI

The AI-powered Philips Sonicare app works in perfect harmony with the Sonicare 9900 Prestige toothbrush. Your brushing data always stays synced, so personalized guidance from intelligent features is always at hand.

Checkmark

Personalized brushing recommendations and intelligent analysis

Checkmark

Tracks brushing coverage for each brushing session with 3D mouth map

Checkmark

Auto-syncing, even when you don't brush with the App by your side

Sonicare video

Sonic brushing:
Clinically proven in effective cleaning


Brush away plaque with sonic technology – our benchmark in effective and gentle cleaning. While you brush, up to 62,000 bristle movements per minute and dynamic fluid action help clean even hard-to-reach areas, leaving your mouth feeling exceptionally fresh and clean.

Charge anytime, anywhere using the prestige travel case

Travel case

The elegant and compact travel case is wrapped in soft-touch, vegan-friendly leather. It can be slipped into any bag for carefree convenience while away from home. Recharge your brush without even removing it from the case. 

Sonicare premium
Checkmark icon

Easy charging

When it is time to charge the toothbrush, simply place it on the charging base.

Checkmark icon

Sleek and compact

Advanced technology delivered with style and compactness. The toothbrush is 18 mm shorter than its predecessor and features premium materials to make this luxurious device easy on the eye, and pleasant to the touch.

Checkmark icon

Easy to keep clean

It can stay clean with no visible gaps or joins between the button and handle.

Specifications

Improved specs
instant results

5 modes*
clean, white+, gum health, deep clean+ & sensitive

*Customized in App

3 intensities 
low, mid, high

14 days
operating time (full to empty)

2 years
warranty worldwide

Product features

Specifications

Intensities
Intensities
High
  • To boost your clean
Medium
  • For an everyday clean
Low
  • For sensitive teeth and gums
Power
Power
Power supply
  • 100-240 V
Technical specifications
Technical specifications
Battery
  • Rechargeable
Operating time (full to empty)
  • 14 days
Energy Consumption
  • Standby without display <0.06W
Battery type
  • Lithium ION
Design and finishing
Design and finishing
Color
  • Champagne
Service
Service
Warranty
  • 2-year limited warranty
Software support
  • Philips offers relevant software updates for a period of 2 years after the date of purchase.
Compatibility
Compatibility
Bluetooth wireless technology
  • Connected Sonicare app
Android compatibility
  • Android phones with Bluetooth 4.0 and above
iOS compatibility
  • iPhone with Bluetooth 4.0 and above
Ease of use
Ease of use
Handle compatibility
  • Easy click-on brush heads
Battery indicator
  • Illuminated icon indicates battery life
Handle
  • Sleek and compact design
Timer
  • BrushPacer and SmartTimer
Items included
Items included
Handle
  • 1 DiamondClean Prestige 9900
Brush heads
  • 1 A3 All-in-One
Travel case
  • 1 Prestige USB charging travel case
Charger
  • 1 Charging base and stand
Cleaning performance
Cleaning performance
Plaque removal
  • 20x more effective*
Gum Health
  • Up to 15x healthier gums***
Whitening
  • Up to 100% more stain removal***
Speed
  • 62,000 brush movements / min
Modes
Modes
Clean
  • For an exceptional everyday clean
Deep Clean
  • For an invigorating deep clean
Gum Health
  • Gently massages your gums
Sensitive
  • For sensitive teeth and gums
White+
  • To help remove surface stains
Smart sensor technology
Smart sensor technology
Pressure feedback
  • Ring lights up purple
  • Vibration and pulsing sound
SenseIQ
  • Automatically adjusts brushing based on pressure and motion
Replacement Reminder
  • Lets you know when to replace your brush head
Sonicare app
Sonicare app
Tracking and progress reports
  • Track your brushing habits and improvements over time with in-depth data and personalized insights.
Real-time coaching with SenseIQ
  • Receive instant feedback on pressure, motion, and coverage to improve your brushing technique as you go.
Personalized guidance
  • Get customized brushing tips based on your brushing patterns and habits.
Intensities
Intensities
High
  • To boost your clean
Medium
  • For an everyday clean
Power
Power
Power supply
  • 100-240 V
See all specifications
Intensities
Intensities
High
  • To boost your clean
Medium
  • For an everyday clean
Low
  • For sensitive teeth and gums
Power
Power
Power supply
  • 100-240 V
Technical specifications
Technical specifications
Battery
  • Rechargeable
Operating time (full to empty)
  • 14 days
Energy Consumption
  • Standby without display <0.06W
Battery type
  • Lithium ION
Design and finishing
Design and finishing
Color
  • Champagne
Service
Service
Warranty
  • 2-year limited warranty
Software support
  • Philips offers relevant software updates for a period of 2 years after the date of purchase.
Compatibility
Compatibility
Bluetooth wireless technology
  • Connected Sonicare app
Android compatibility
  • Android phones with Bluetooth 4.0 and above
iOS compatibility
  • iPhone with Bluetooth 4.0 and above
Ease of use
Ease of use
Handle compatibility
  • Easy click-on brush heads
Battery indicator
  • Illuminated icon indicates battery life
Handle
  • Sleek and compact design
Timer
  • BrushPacer and SmartTimer
Items included
Items included
Handle
  • 1 DiamondClean Prestige 9900
Brush heads
  • 1 A3 All-in-One
Travel case
  • 1 Prestige USB charging travel case
Charger
  • 1 Charging base and stand
Cleaning performance
Cleaning performance
Plaque removal
  • 20x more effective*
Gum Health
  • Up to 15x healthier gums***
Whitening
  • Up to 100% more stain removal***
Speed
  • 62,000 brush movements / min
Modes
Modes
Clean
  • For an exceptional everyday clean
Deep Clean
  • For an invigorating deep clean
Gum Health
  • Gently massages your gums
Sensitive
  • For sensitive teeth and gums
White+
  • To help remove surface stains
Smart sensor technology
Smart sensor technology
Pressure feedback
  • Ring lights up purple
  • Vibration and pulsing sound
SenseIQ
  • Automatically adjusts brushing based on pressure and motion
Replacement Reminder
  • Lets you know when to replace your brush head
Sonicare app
Sonicare app
Tracking and progress reports
  • Track your brushing habits and improvements over time with in-depth data and personalized insights.
Real-time coaching with SenseIQ
  • Receive instant feedback on pressure, motion, and coverage to improve your brushing technique as you go.
Personalized guidance
  • Get customized brushing tips based on your brushing patterns and habits.

What’s in the box?


1x Sonicare 9900 Prestige

1x A3 Premium All-in-One

1x Prestige travel case

1x Charging cable

1x Charger base

What's in the box?

Choose your color

Support

Frequently Asked Questions

Get support for your
Sonicare toothbrush

Get support for your Sonicare toothbrush

Repair

Get help for this product

Accessory

Find a spare part or an accessory

You are about to visit a Philips global content page

Continue

Our site can best be viewed with the latest version of Microsoft Edge, Google Chrome or Firefox.