Ive been wearing them for years. It came assembled and ready to use. The one thing that I wish it had: an intrnal loop in the smaller outside pouch to clip my keys to. Needed these in my laundry room. I needed something even shorter for southern spring time use and found these. The only thing you could probably pick on is the volume and EQ but its easily fixed by downloading free apps, I got the app called Volume Booster & another called Bass Booster which is a graphic equaliser. That’s Whether You Wear It Just For Clothes Appearance Or For Workouts. Changing the bud covers dont really fix it. I wish they had other colors like dark purple and pink. Its defiantly worth pushing through that annoying beginning and into another successful YA dystopian world, as the young settlers find their way through lifes, love and tribulations.