“How is this different / better from the HXS6710 Sonicare I already have? Thank you”

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• The one you have is pretty old and is not "smart" at all. It's a good upgrade for you in my opinion but not necessary at all. You probably will notice a minor improvement in cleaning but a much sexier package and far more sleek.

  Answered by jkowall 5 years ago

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• Hello! This Philips Sonicare 9900 Prestige HX9990/11 comes with SenseIQ that senses pressure, motion, coverage and more up to 100 times per second. It also comes with an all-in-one brush head for complete care and this can be connected to the Sonicare app for further guide on brushing. For further information, you can check the user manual here: https://philips.to/3pi05Al

  Answered by Answered by Philips 5 years ago

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