1. Noise. I can’t attribute this to pluses or minuses, because. Noisy like any other fan. Not loud or quiet - just fine. 2. Has 3 classic modes: NORMAL (normal), NATURE (aka breeze), SLEEP (night mode). I used only the first mode, because. the other two are useless. Normal - blows at a constant speed, adjustable separately. Breeze - randomly changes speed from zero to maximum, such as random wind blows, IMHO, a dubious mode. Night mode - cyclically changes the speed from zero to the set one (or also to the maximum, did not pay attention); supposed to run at a lower rpm for less noise, but I don't think it's pleasant to sleep when the fan goes on and off. You can take this fan up to 3 thousand. But more expensive - it is worth considering.
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