Philips Sonicare DiamondClean Smart Electric Toothbrush with App (HX9903/21) - Pink

  • Model #: HX9903/21
  • Web Code: 10761884
  • Release Date: 07-10-2017
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Get the complete oral care you need with the Philips Sonicare DiamondClean Smart electric toothbrush. It features Smart Sensor technology that tracks your brushing in real time and sends that data to the Sonicare app. In-app coaching helps you improve your brushing, taking you back to missed spots, alerting you if you press too hard, and more.

More Information

  • Connected electric toothbrush features built-in Smart Sensor technology that tracks your brushing in real time, sending the data to the Sonicare app via Bluetooth
  • Personalized in-app coaching helps improve your brushing by taking you back to any missed spots, alerting you if you press too hard, and guiding you to reduce scrubbing
  • Removes up to 10x more plaque and 100% more stains than a manual toothbrush
  • Designed to help improve your gum health with up to 7x healthier gums in 2 weeks
  • Offers 4 modes, Clean mode for daily cleaning, White+ to remove stains, Deep Clean+ for an invigorating deep clean, and Gum Health to gently clean along your gum line
  • 3 intensity settings allow you to boost your cleaning
  • Syncs automatically with the brush head and selects the optimal mode and intensity to provide effective care so you get the most from the brush head
  • Charging glass makes it a cinch to recharge and store your toothbrush; simply place the toothbrush into the glass holder after brushing and it will start charging immediately
  • Premium travel case included for taking the toothbrush on the go

What's in the Box?

  • Handles: 1 DiamondClean Smart
  • Brush Heads: 1 Premium Plaque Control
  • 1 Premium Gum Care Brush Head
  • 1 Premium White Brush Head
  • Glass Charger
  • Travel Case: Premium Travel Case


  • Parts - 2 Year(s)
  • Battery Level Indicator
  • Charge Time
    1 hour
  • Timer
  • Brushing Modes
  • Pressure Sensor
  • Indicator Bristles
  • In-Handle Display
  • Separated LCD Display
  • Number of Moving Heads
  • Replaceable Brush Heads
  • Brush Heads Container
  • Included Brush Heads
  • Colour
  • Country of Origin
  • Width
    17.4 cm
  • Height
    25.2 cm
  • Depth
    11.1 cm
  • Weight
    1048 g
  • Warranty Parts
    2 Year(s)



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