HT-21 is meelectronics First Portable Headphone. They are already quite famous for their great price/performance ratio with their current IEM's lineup.
Meelectronics describes HT-21 as "Enjoy powerful bass along with class leading clarity and a spacious presentation, extreme comfort,...
Pros: 1) Comfortable and Lightweight 2) Great Value for the price 3) Good balanced sound
Cons: 1) Mediocre Isolation 2) Slight Sibilance at higher volumes