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2 year warranty
All series
1100 Series Sonic electric toothbrush
Support
HX3641/01
HX364W2
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All (7)
Which brush head fits my Sonicare toothbrush?
How do I register my Sonicare toothbrush?
How long should my Sonicare toothbrush battery last?
How does the pressure sensor feedback work on my Sonicare toothbrush?
How do I use my Sonicare toothbrush?
My brush head is difficult to attach or remove.
My Sonicare toothbrush makes a loud noise
