The latest addition to Philips' Sonicare line of smart electric toothbrushes could take the guesswork out of your brushing routine. The Next-Generation DiamondClean 9900 Prestige uses a third-generation AI model to provide real-time feedback on how you're brushing through a glowing ring on its base, while a touchscreen highlights areas of your mouth that may need more attention when you think you're done.
The Sonicare Next-Generation DiamondClean 9900 Prestige is expected to launch in Europe and the US this fall, with a wider global rollout coming in 2027. Pricing hasn't been announced, but previous versions sell for $430, and you can expec …
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