Unfortunately, my current headphones is the last pair and they are probably going to die randomly any day. I have literally no idea how "in the know" people find good headphones these days, especially if you don't want earmuff headphones or apple earpod knock-offs. It looks like all companies are only making one of those instead of normal ones.
The amazon listing was 1984'd so you can only find it on ??? websites.
Note: this is mostly just a rant.
i like my galaxy pros, they can be found on ebay new or open box for under $80. It does suck though, whenever you see some product with a weird and obviously chinese derived name you can pretty much bet that brand will cease to exist. Though now new companies buy old brand names and use them to make them appear familiar, like Magnavox.
Maybe some of these on ebay are what you would want: https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=tennmak+headphone&_sacat=0&LH_TitleDesc=0&_odkw=tennmak+bluetooth+headphone&_osacat=0&LH_PrefLoc=2