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This headphone is a very convenient feature. the difference between
normal headphones and a part of the control volumes Easy to adjust
in the ear side. And volumes can be fixed after adjusting A very good
idea The need for a fixed Volume accidentally hit different parts of the
sound you make a mistake that is larger or smaller The part has been
installed to reduce static.
Daegu University
Daegu, South Korea
Daegu University
Daegu, South Korea
Heo Nam June