[This review was collected as part of a promotion.] I've had Sonics for years now, so I expected that the 4100 series would be just as reliable. Unfortunately things like the usb charger and the fact it had a weak pulse made me return this within the first month.
[This review was collected as part of a promotion.] I love the power of this toothbrush. It is lightweight and has 2 settings of power. The only drawback is it seems the charge does not last as long as the previous one I had. I also wish they would supply the plug to go with the cord. But this is a great toothbrush! Highly recommend.
[This review was collected as part of a promotion.] But you know was one of two that was suggested by my hygienist. After a period of a little over a year, my last report from her was that I've done much much better and that didn't regression of my gums his ceased.
[This review was collected as part of a promotion.] I tried a Waterpik electric toothbrush and it couldn't hold a charge after a few months so I went back to Sonicare!!