In that, though, they’re no different to many earphones manufactured by a whole range of different companies, and I’ve never managed to make any of those simple, mushroom-shaped eartips fit in my ears. The ones that do are triple-flanged tips, like those supplied by MeeAudio for their range of earphones and canalphones.
The other big advantage of triple-flanged eartips is their ability to block out most background noise, just like industrial hearing protectors - while I’m not that interested in these earphones, if someone were to make a triple-flanged eartip set for them I might reconsider.