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Philips Sonicare 4100 Series
Sonic electric toothbrushHX3689/42
Helps whiten teeth every time you brush
Goodbye manual toothbrush. Hello Sonicare.
Sonicare technology
QuadPacer and SmarTimer
Slim ergonomic design
14Â day battery life
Helps whiten teeth every time you brush
Sonicare electric toothbrush with advanced sonic technology gently removes stains for naturally whiter teeth every time you brush.
Pressure Sensor helps protect your teeth and gums
Built-in pressure sensor automatically detects the pressure you apply, warns you and reduces the toothbrush vibrations automatically to help protect your gums. The toothbrush will make a pulsing sound as a reminder to ease off the pressure. 7Â out of 10Â people found this feature helped them become better brushers.
Optimise your brushing with SmarTimer and QuadPacer
2 minute SmartTimer and 30 second QuadPacer guide you to brush for the recommended time in all areas of your mouth to ensure a complete clean.
Technical specifications
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Data on file.
based on two periods of two-minute brushings per day on standard mode.