About which part?God I hope you're joking.
Wired connections are Always the most stable. My ideal home network setup would consist mostly of ethernet cables, but yeah, when Apple made that call I had completely written their products off.Yeah I seriously don't get what the fuck kind of thinking prompted the removal of the 3.5mm jack connection. Bluetooth headsets/earbuds have a number of issues (audio quality, noticeable lag, occasional signal interference problems for some reason), and are generally a bad choice if you want to actually enjoy your music via your phone. Though apparently they make headphones/earbuds that can use the Lightning link.