What is the fine-grained topic of the following text: Philips Sonicare FlexCare Platinum Connected Sonic electric toothbrush with app HX9191/06 Personalised coaching Smart brushing sensors 3 modes, 3 intensities 1 brush head and UV Sanitiser is rated 4.5 out of 5 by 40. Only return the topic.
Philips Sonicare FlexCare Platinum Connected Sonic Electric Toothbrush with App HX9191/06