Small trade off. My left bud hasn?t powered on and it?s been inside of its case charging overnight and still nothing. This is a little smaller and flimsier than I thought. One thing though they need someone who speaks better English for the voice, its a Asian woman and its not very clear at first what she is saying. Comfortable, true to size, and easy to get on/off. 3) Durability - The moment you hold this mic you can tell that it is well built. I replaced the silicon tips by foam tips for more isolation and help to stay in place. My callous on the side of my foot felt better. I like my shoes to be snug. My pinky toes rub a little, and the inside of my foot at the base of my big toe just hurts after wearing them a few hours.