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2 year warranty
Electric toothbrushes
All series
Sonicare 9900 Prestige Power Toothbrush with SenseIQ
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HX9992/21
HX999C
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Data Act Document - English
User Manual - English
All (21)
What features can I activate or deactivate from the toothbrush handle?
How do I place my brush head in the traveling case?
What is Sonicare SenseIQ technology?
How do I charge my toothbrush handle with the travel case?
How do I charge my Sonicare 9900 Prestige handle on the charging base?
A3 Premium All-in-OneStandard sonic toothbrush heads
My Sonicare 9900 Prestige toothbrush vibration is less powerful than before
My Sonicare toothbrush is not charging
My Sonicare toothbrush makes a loud noise
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