Place it at the end of a laundry or cleaning sequence, just after the washer stops, then follow it with a bell ding to mark the job complete before moving on to folding or putting clothes away.
关于此声音
This clip is a short spoken announcement in Russian saying the washing is finished, lasting about ten seconds. It gives a small sense of relief and quiet satisfaction, like a household job finally ticking itself off the list. The person who uploaded it made it themselves simply because they were bored.