Is that really a straight mini-jack?
Where is the angled neutrik?
My Zune "Premium" In-Ear Phones have a straight mini-jack as well. I put some 3:1 Heatshrink over it tho for some EXTRA protection. It didnt have such quite a large end to the straight mini-jack tho. My Zune in-ears have such a small straight mini-jack end, that even after heatshrink it might be around 1.5' in length from mini-jack>end of heatshrink on the cable!