My Jaybirds just came in. They are crystal clear. The sound was so good that I found myself paying more attention to the music then the trail (it was like hearing the songs for the first time, I heard notes that I had never noticed before). I actually rode off the trail at one point. These are better sounding then my Beats ear buds. For whatever reason, the sound quality of phone calls is not very good but the music, OMG, the music was unbelievable.