Questions about Rowenta Turbo Silent Extreme +

I have just unpacked and set up my model. And the rotor and wind noise are indeed surprisingly quiet on the lower stages (despite good wind). But it is accompanied by a very unpleasant "electronic" noise from the motor (I assume), which exceeds the wind noise by far on the lowest two levels and is especially present when the fan is pointed straight at you. Do other customers have this too? What are your experiences? Or do I possibly have a defective unit? The pitch of this noise is very annoying. I would be grateful for some experiences from the community! Merci!

Isn't it misleading if this product is allowed to position itself as especially quiet (in the name!) and yet, at 35 dB, it isn't necessarily so?!? The Peter model from Stadler, for example, only reaches 33 dB without boasting about its quietness.

What happened to the price? I bought this fan 2 Years ago for a little under 100CHF... now i wanted to buy myself a second one, because I really like this model. No i got the price or sticker shock after viewing the price! 393.- for the same fan i bought two years ago for 94.-, what happened and why? Can this price be brought back to reality again please?

Unlike the Turbo Silence model - how can the Turbo Silence + - be set to "Silent Night" mode without setting a timer of 4h or 8h? But just leave it on silent night mode?