I researched a bit on the process of shortening headphone cables. It is possible to shorten a donor cable to the length you need and keep the mic in-line. But it would be a bit of a pain with the small thin wires present inside the main headphone wire. I have an alternate solution which in theory should work and won't involve any soldering, but it won't be as pretty looking as a short custom cable.

A headset "splitter" will separate your 4 prong plug in your headphones out to stereo 3 prong and 2 prong mic plugs. This will allow you to add on a small short mic to the splitter and still connect the Bluetooth receiver with the male to male adapter supplied with it. (At least the one I saw of your model was marketed as coming with this, otherwise you will need a small adapter)

This essentially creates the short patch cable you need to connect the Bluetooth receiver to the headphones but with a mic in-line feeding the headset for noise cancelling. I can't guarantee this will work or if the headphones will "noise cancel" properly as you'd be using an alternate mic for the input.

Splitter---

http://www.amazon.com/gp/product/B004SP0WAQ?keywor...

Microphone---

http://www.amazon.com/Neewer%C2%AE-Flexible-Microp...

You can use a different brand splitter or mic as you like. Just be sure to plug the 4 prong into the headphones. The mic into the plug labeled mic and use the Bluetooth male-male adapter for the splitter plug labeled headphone.

If need be I can try to explain this differently or draw up a sweet MS Paint diagram for you :).

As always, report back if you give this a go!