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.

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