DiamondClean Smart 9400 is Philips' best toothbrush for complete oral care. Four high-performance brush heads, which automatically select the optimal settings for you, allow you to focus on all areas of your oral health. The Smart Sensor technology gives you personal feedback in the associated app.

Specifications:

• Model: DiamondClean 9400 Electric Toothbrush HX9917/89
• Colour: Black.
• Speed: Up to 62,000 brush movements/min
• Smart brush head sensors.
• Control your brushing and mark missed areas.
• Choose between 4 modes and 3 intensity settings.
• Operating time (full to empty): Up to 4 days.
• Battery: Rechargeable Lithium ION.