Etymotic ER38-18A 大型灰色三層法蘭長柄耳塞

I've been using these for a few weeks now and the long stem really helps get a snug fit deep in my ear canal. The three-flange design stays put even during my morning jog, which was my main issue with the previous pair.

The triple flange seals so much better than any foam tip I've tried, and the long stem makes them easy to grip when inserting. They stay put during long listening sessions without that annoying pressure buildup.

I swapped the stock single-flange tips on my etyBLU headset for these larger triple-flange ones, and the seal is noticeably better in noisy environments. The longer stem makes insertion feel more secure, though it took a couple tries to get used to. They stay put during long calls, which is what I n