Q: I have numerous sets of headphones that I use, including with my iPhone. Is there such a thing as a separate inline handsfree kit/ remote that can be attached between the iPhone and a set of headphones with a standard 3.5mm minijack plug? This would massively enhance the functionality of all my headphones if I could skip tracks/change volume and as a bonus handle calls. Once upon a time long ago I think I had an Apple branded device that…