This earphone shell measured 14.8 or install 15MM earphones unit to be more relaxed, 15.4MM of funda unit to be a bit thick, you need a little change case, requiring high technology, it is suggested unit uses 14.8MM, 15MM, or relatively thin the 15.4MM unit can also be used
The shell can be used to repair IE2 IE3, workmanship is good, earphone can also be used to install other size units (original units to be removed surface cover), change to the shell which will enhance the bass And such a large-size ear headphones shell is still quite rare, send silicone sleeve one pair