What do the numbers behind the model names (Philips Sonicare ProtectiveClean 5100, 4500, 4300 and 6100) mean? I can't even find a specific reference to this on philips.ch. It's not about the sound frequency - at least there is no reference to this.
Bruno Langenegger
2 years ago
The models differ in the number of tooth cleaning programmes and intensity levels.

Question

2 years ago

The models differ in the number of tooth cleaning programmes and intensity levels.

Answer

The models differ in the number of tooth cleaning programmes and intensity levels.

Your data. Your choice.