This has nothing related to computers and everything to do with gadgets.
This is a device that got over $1 million USD in funding so someone
thinks it is worthwhile.
Dolfi is a small ultrasonic cleaning device that does require water &
soap so you would need to be somewhere your clothes can dry.
I did not see where they say what the power source is. That info will
probably be made available later.
The demo is washing a shirt in a bathroom sink. They show before & after
pictures. There is a short video on the home page.
It took about 30-35 minutes to clean after turned on and ready.
Web site is Dolfi.co.
If curious, you can leave your email address for additional info.
Mary