This headset comes with an adapter small / large Jackk.
Even gold plate connector for the adapter.
Semi-open headphones.

20-20.000Hz
60 Ohms
100db/1mw

Prcis for this price range, trs leger know it to be forgotten ...
It is comfortable.
a dazzling array of serious we highlighted the smallest detail with great audibility
the Aiges are good.
Unfortunately, there is a high volume lgre an increase in medium / high on the low ...
a cable can run my gut (1.2 meters)
lifetime warranty (but chian a guarantee to operate, require states to send or canada ..)
For a semi-open headphones I remake this choice closes the eyes ... in fact I take the above model so I believe this headphone ...