The only thing that bothers me about the purchase is that, after I made it, the price dropped by 1,500 yen in just four days: I was astounded when I used the turbo setting on the vacuum cleaner to go over the mattress in the bedroom. There was around three centimeters of dust in the container (previously on, the mattress had been periodically vacuumed). Therefore, the monster is a device. Immediately mastered, everything is crystal clear and easy to comprehend, there is no unnecessary detail, and there are no issues.