Most headphones operate on a frequency range from 20 to 20,000 Hertz. Our technology expands that range, from 6 Hertz at the low end to 21,000 Hertz at the top.
So they achieve greater clarity across the audible portion of the spectrum… More here.
A vacuum cleaner company will struggle in this area. Throw in the £449 asking price and the fact that the man behind the company is the corporate Musk/Trump, and it’s a big ‘no’ from me.
Ya, there’s no reason to think they’d be good.