Philips Sonicare DiamondClean Sonic Electric Toothbrush - HX9312/04

SKU: APPHI-HX9312/04
Availability: 10 in stock
$279.00 $319.00
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Whiter, healthier teeth for life

Best Philips Sonicare whitening sonic toothbrush

Philips Sonicare's best whitening in our most elegant sonic electric toothbrush. Switch to Philips Sonicare.


Proven to improve oral health

  • A whiter smile in 1 week with our DiamondClean brush head*
  • Up to 7x more plaque removal than a manual toothbrush
  • Improves gum health in just 2 weeks*
  • Choose from 5 modes including Polish and Sensitive
  • Safe and gentle for your oral health needs

Provides a superior clean

  • Angled neck to help tackle cleaning in tough areas
  • Our unique technology brings you a powerful yet gentle clean

Designed around you

  • USB charging travel case and charging glass
  • Timers encourage thorough 2 minutes of brushing

Sonic electric toothbrush - HX9312/04

5 modes 2 brush heads, Glass charger, travel case, Rose gold edition


Up to 2x whiter teeth

Philips Sonicare DiamondClean Sonic Electric Toothbrush

Click on our DiamondClean brush head to gently yet effectively remove surface stains. Densely packed central stain removal bristles work hard to make your smile 2x whiter in just 7 days.*

Say goodbye to plaque

Philips Sonicare DiamondClean Sonic Electric Toothbrush

Densely-packed, high-quality bristles remove up to 7x more plaque than a manual toothbrush.

Look after those gums

Philips Sonicare DiamondClean Sonic Electric Toothbrush

With optimal cleaning from your DiamondClean, gums will become healthier in 2 weeks*. Removing up to 7x more plaque along the gum line than a manual toothbrush*, you’ll get your healthiest smile.

5 modes to clean your way

With DiamondClean, you get a refreshing clean every day. Our 5 modes cover all your brushing needs; Clean mode – for exceptional daily cleaning, Gum Care – to gently massage gums, Polish – to brighten your smile, Sensitive – for gentle yet effective cleaning of sensitive gums, and White – the ideal mode to remove surface stains.

QuadPacer and Smartimer

It takes just 2 minutes to thoroughly brush your teeth. Our QuadPacer lets you know when you've spent the optimal amount of time on each section of your mouth while our Smartimer signals when your total time is up. Together they help you reach your recommended brushing time, every time.

Reach those tricky spots

The unique shape of your DiamondClean toothbrush handle combined with our brush heads means that even tricky spots like back teeth get a thorough clean.

Philips Sonicare technology

Powerful sonic vibrations whip up your toothpaste into plaque fighting bubbles, and drive them deep between your teeth and along your gum line. At the same time your teeth will experience 31,000 gentle but effective brush strokes. You'll get a month's worth of manual brushing in just 2 minutes.

Design with storage in mind

Your deluxe USB travel case doubles as a charger so you stay topped up on the go. Place your toothbrush in the case and connect to your laptop or plug into a wall socket. Also includes a brush head holder for extra hygiene when traveling. As for charging at home, our sleek charger glass fits stylishly into your bathroom and doubles as a glass for rinsing after brushing. Simply place your b



  • Clean: For exceptional everyday clean
  • White: Removes surface stains
  • Sensitive: Gentle teeth and gum cleaning
  • Gum Care: Gently massages gums
  • Polish: Brighten and polish your teeth

Items included

  • Handles: 1 DiamondClean
  • Brush heads: 1 DiamondClean compact, 1 DiamondClean standard
  • Glass charger: 1
  • Travel case: USB travel charger

Design and finishing

  • Color: Rose gold

Cleaning performance

  • Speed: Up to 31,000 brush strokes/min
  • Performance: Removes up to 7x more plaque*
  • Health benefits: Improves gum health in only two weeks
  • Whitening benefits: Whitens teeth 2X better
  • Timer: Smartimer and Quadpacer

Ease of use

  • Brush head system: Easy click-on brush heads
  • 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): Up to 3 weeks*


  • Voltage: 110-220 V


  • Warranty: 2-year limited warranty