The best i believe is iO series...😊

I have been using the Sonicare 9900 for the past two years and it has been functioning optimally.

So the Sonicare 4100 is your top pick and your 4th pick??

Thanks for the Phillips commercial

The Sonicare Brushes are amazing. ❤

you put 4100 twice😂

bro your order is all over the place and wrong and also 2 4100. seriously is it that hard to make a video yourself or at least double check the ai