- The level of comfort and sonic quality
- Not
- Extremely condensed form of the case. The headphones are a good fit.
- The management does not put much effort into planning. Horrible noise canceller. A case for small batteries.
- There is no such thing.
- Horrible landing in the ears (my wife and I both experienced discomfort in our ears after 10 minutes of use), revolting sound, low-quality materials, and a poor carrying case. This is a significantly more affordable alternative to the preceding 3i model.