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Electric toothbrushes
All series
Philips Sonicare FlexCare+ Sonic electric toothbrush
Discontinued
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HX6921/43
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User manual
All (14)
How does the brushing guidance work in the Sonicare app?
How can I recycle my Philips Sonicare Toothbrush?
In which countries is the Sonicare app available?
Why is there a gap between my brush head and handle?
How long should my Sonicare toothbrush battery last?
Philips SonicareCharging base
Philips SonicarePlastic travel case
My brush head is difficult to attach or remove.
I cannot connect my toothbrush to the Sonicare app
My Sonicare toothbrush is not vibrating
My Sonicare toothbrush is not charging
My Sonicare toothbrush turns off by itself
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