2 year warranty
The information on this page applies to the following models: HX9992/21 , HX9992/22 .
What features can I activate or deactivate from the toothbrush handle?
How does Sonicare 9900 Prestige work with the app?
How does the BrushPacer work on my Philips Sonicare Prestige Toothbrush?
Can I use Sonicare 9900 Prestige if I wear braces or have dental modifications?
How do I turn the Adaptive Intensity feature on and off?
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