2 year warranty
The information on this page applies to the following models: HX3641/01, HX3651/12, HX3671/54.
How long should my Sonicare toothbrush battery last?
How do I register my Sonicare toothbrush?
How does the pressure sensor feedback work on my Sonicare toothbrush?
Which brush head fits my Sonicare toothbrush?
How to clean my Philips Sonicare toothbrush?
How do I use my Sonicare toothbrush?
Why there is no adapter provided with the product?
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