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Philips Sonicare 9900 DiamondClean Prestige HX9992/31 - Electric Toothbrush

Reviews Philips Sonicare 9900 DiamondClean Prestige HX9992/31

Interested in reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/31? It got 4.7 out of 5 stars from our customers. Find specific customer reviews of Philips Sonicare 9900 DiamondClean Prestige HX9992/31 below. We will appreciate if you also share your experiences with Philips Sonicare 9900 DiamondClean Prestige HX9992/31 after purchasing.
357.90 €
In stock > 5 pcs
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User Reviews

Anonymous customerflag
Rated 28/08/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
For me, a very big disappointment. We had toothbrushes almost 7 years old, also Philips Sonicare. I figured I'd pay extra and get "the best". Rather, it's a step (if not several steps) backwards from the "old" ones. The old ones had 3 diodes indicating battery charge. One knew at first glance. Nothing here. One diode. The old ones had mode switching. Nothing here. All through the app. Basic things like modes and battery I would like even without the app. As for the noise level, I wanted to change the brushes because the original ones seemed "already" noisy. Compared to these, they're quiet. The body of the toothbrush does not have a hole at the bottom, so it does not fit into the charging case that we have with the UV sanitiser. Charging case disaster. It opens in the bag when you run or put the bag on the ground. The head can only be there without the cover. Charging is also not indicated in any way. I would have expected a pointer as well. We are trying to give the brushes a chance, but the longer I use them, the more I "miss" the old quality ones. About the only plus is the heads, but they fit the old ones too, so I could have bought the heads and been happy. I don't even comment on the connections and cleaning indicators in the app. That doesn't work as much as it works. I'd like to switch modes, but the toothbrush won't connect.
perhaps the only plus are the heads, but they come separately on the older ones. look
They look nice, but that's useless to me considering the cons: )
worse than 6 years old models
noisy compared to the old ones
no charge indicators
a useless case. Opens, no indication of toothbrush charge, head only without cover
switching modes only via the app
the connection doesn't work rather than works
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Lenka, Řečany nad Labemflag
Rated 12/08/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
The card itself is great. However, since it is sold together with the application (based on the selection of all kinds of cleaning, which cannot be selected on the card), it will go on claim. The app is a disaster! After removing the card from the docking station and switching on cleaning, the application does not start cleaning. After I have cleaned the whole floor it catches on, but it does not save the cleaning record. Even with repeated reloading it is the same error. At the beginning everything worked fine, but after a week of use it's getting worse (it started on one side, then the middle and now it's doing the whole palate... I know my teeth are cleaned, but it bothers me that somewhere in the app I look like a slob who doesn't have cleaned teeth and it's glowing golden.
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Petr, Želivecflag
Rated 15/05/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase - review from a price comparison website
Super toothbrush
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Lenka, Vejprtyflag
Rated 02/04/2025, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase - review from a price comparison website
Purchased at a discounted price
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Matej, Bratislava - Račaflag
Rated 27/12/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
Vydrz baterie
Výborne cisti zuby
Má 3 úrovne umývania zubov
Výborná cena(kupované v zľave)
Hlucnost
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Viktorie, Brnoflag
Rated 09/12/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
Excellent
Pleasant cleaning
Easy operation
Long battery life
Nothing
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Anonymous customerflag
Rated 04/12/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
Beautiful design
Light
Works well
Price
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Anonymous customerflag
Rated 29/11/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
I've had this type of brush from another manufacturer and it doesn't compare to Philips. The linking to the app is a big plus for me and the speed at which it can clean as well. I definitely recommend it!
Design
Connecting to an application
Cleaning speed
Controlled cleaning with application
I haven't come up with one yet.
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Václav, Trhové Svinyflag
Rated 20/11/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
All ok
Maybe for someone high price
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Jan, Brnoflag
Rated 31/03/2024, variant Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Verified purchase
the best toothbrush you can get
cleaned teeth "squeak clean" when you run your finger over them
overall design
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