It does a great job for cleaning PCs and air conditioners that I used it for. The only negative so far is the very short power cable.

The cable is for direct connection, I don't find it logical to be so short but ok. The power is enough but in the 2 fastest settings it tends to whistle (from air, not mechanical noise), but ok. What I expected was for it to be more powerful for 600w but it's not that it's not enough (ok++). Also, the quality of the plastics is good and it didn't heat up easily (outdoors, midday-shade, with continuous use for 3-4' / in total 30'). Finally, it didn't smell like first-time plastic use, for example = there are cheaper 600w options that show the same quality (in the pictures) but I trusted the brand, I consider it a good purchase (durability remains to be seen).

Very good, it is understood that it makes noise on high scales since the air reaches up to 270m/h, sturdy plastics, the cable is 40cm long, and I made a 120cm extension cord.

Quite good quality, very powerful performance for the money it costs. The only downside is the approximately 40cm cable.