- stylish gray fabric. However, I find the in-ear format less comfortable for me. I did some critical thinking and thought there had to be a way! 5 so I ordered a 5-5. I put them on and in no time I took them off. My only gripe is I need to carry yet another key. A good find on Amazon. Like narrower than converse narrow, just in the middle. I purchased this as extra storage space for kitchen items.  Wires are tangle free Exact audio quality CONS Due to very light weight design,tends to fall out from your collar if you wear a no-collar T-shirt Blinking Led persist for 10sec after you press a button Playback controls are good,but could have been made better When you try to increase the volume from max volume,a beep can be heared,which makes you miss 3 seconds of the ongoing audio Less stability on collar Sony vs OnePlus BWZ? XB400 has True sound quality, in all aspects.