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2 year warranty
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Electric toothbrushes
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Philips Sonicare DiamondClean Smart Rechargeable Toothbrush
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HX9904/85
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User Manual
All (11)
Where can I purchase accessories for my Sonicare toothbrush?
Why is there a gap between my brush head and handle?
How does the brushing guidance work in the Sonicare app?
How long should my Sonicare toothbrush battery last?
Can I use my Philips Sonicare Toothbrush in the shower?
C3 Premium Plaque ControlStandard sonic toothbrush heads
G3 Two-in-one4-pack brush heads
TongueCare+Tongue brushes
C3 Two-in-one2-pack brush heads
C3 Two-in-one4-pack brush heads
G3 Two-in-one2-pack brush heads
W3 Premium White2-pack standard sonic toothbrush heads
C3 Two-in-one3-pack brush heads
G3 Two-in-one3-pack brush heads
G3 Premium Gum CareStandard sonic toothbrush heads
My Sonicare toothbrush turns off by itself
My Sonicare toothbrush is vibrating less powerfully
My Sonicare toothbrush vibrates too powerfully
My Sonicare toothbrush is not charging
My brush head falls off my Sonicare toothbrush
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