A toothbrush touting some impressive cleaning performance but let down by a high price tag, which doesn’t reflect the limited feature set of the connected app. Philips might not be the world's ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

The Philips Sonicare Diamondclean 9900 Prestige delivers a deep, professional clean that’s powered with AI… here’s our full review When you purchase through links on our site, we may earn an ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. The Philips Sonicare ...