It has a lot to do with it the fact that the headset is made of synthetic leather and the padding is memory foam, with the indicative "L" and "R" drilled directly into them.
Ihlobene kakhulu neqiniso lokuthi ihedsethi yenziwe ngesikhumba sokwenziwa futhi i-padding igwebu lememori, ngenkomba ethi "L" ne- "R" yamba ngqo kubo.