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2 year warranty
Expert tips and inspiration
Electric toothbrushes
All series
Philips Sonicare DiamondClean Prestige 9900 Rechargeable Toothbrush
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HX9990/12
HX999B
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User Manual
All (25)
How does the brushing guidance work in the Sonicare app?
What features can I activate or deactivate from the toothbrush handle?
How does the pressure sensor feedback work on my Sonicare toothbrush?
Do I need an Alexa device to reorder replacement brush heads for my Sonicare?
How does the Scrubbing Feedback feature work?
A3 All-in-one2-pack brush heads
My Sonicare 9900 Prestige toothbrush vibration is less powerful than before
My brush head is difficult to attach or remove.
My Sonicare toothbrush is not charging
My Sonicare toothbrush makes a loud noise
Check the terms of your warranty and start a product exchange or repair
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