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Electric toothbrushes
All series
Philips Sonicare 4100 Series Sonic electric toothbrush
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Sonic electric toothbrush
HX3689/44
Available in
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Register within 90 days after purchase and get an extended warranty (conditions may apply).
Localised commercial leaflet - English
UK Declaration of conformity
All (13)
Can I use my Sonicare charger with other toothbrushes?
How do I charge my Sonicare toothbrush?
How do I register my Sonicare toothbrush?
Where can I purchase accessories for my Sonicare toothbrush?
How does the brushing guidance work in the Sonicare app?
My Sonicare toothbrush is vibrating less powerfully
My Sonicare toothbrush is not vibrating
My Sonicare toothbrush turns off by itself
My Sonicare toothbrush vibrates too powerfully
My Sonicare toothbrush makes a loud noise
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