These fit perfectly in my ears and because of that, they also have some of the best noise isolation I've experienced in any pair of true wireless earbuds. (soundguys.com)
This will make for much longer battery life for true wireless earbuds, although the trick won't work with existing earbuds. (pcmag.com)
That said, these are still one of the better true wireless earbuds around, if you want to keep it simple. (soundguys.com)