Questions about Philips Sonicare 7100 HX7423/01

The Philips Sonicare 7100 HX7423/01 charging case has a USB-A port.

The toothbrushes are identical, the only differences are in the brush heads they contain. -> Philips Sonicare Series 7100 double pack (sonic toothbrush) 2x G3 Premium Gum Care brush heads -> Philips Sonicare Series 7100 twin pack (sonic toothbrush) 1x brush head G3 Premium Gum Care, 1x brush head S2 Sensitive As we work with different suppliers, there may be larger price differences, as we do not have the same purchasing conditions with all of them.

We actually get this feedback from time to time and always pass it on to the manufacturer.

The only difference is the colour. There are always price differences due to different sources of supply. Currently, however, the difference is smaller again.

Yes, according to our information, the charging station is operated via 5V USB-A.

The 5V of a USB-A connection is absolutely sufficient to charge this toothbrush. The additional functions and higher power requirements that USB-C would support with Power Delivery would be oversized for a toothbrush and not really necessary in this case.